If you are open to it, I would try a centering and grounding exercise. sometimes, when I'm feeling such a spiritual mess that I can't even figure out where to start, I will try that. I've come to recognize the "fuzzy" feeling I get when I'm very ungrounded, and learned to fix it. Here is the exercise I do:
To start, the centering exercise. The grounding exercise is literally impossible for me if I am not centered. I imagine a very spikey ball centered in where I imagine my center to be. It is a ball of energy, and it is my spiritual self. The spikes are "frazzledness", "fuzziness", things like that. Uncenteredness. they are a part of me, but they are all over the place. I breath slowly, and gently coax each spike into the center induvidually. If a spike doesn't want to come in, either through coaxing or grabbing it with a "hand" and pulling it into the ball, or by not staying, then I let it, and move on to another spike, and come back to it. One by one, I coax the spikes back into the center of the ball, where they mesh with it and become one, until all I have is the round centered ball of my centered self.
Once I am centered, I do the grounding exercise. I breath slowly. On the out breath, I lower my energy letting down a long cord out my tail bone or feet, towards the center of the earth. On the up breath, I bring energy up the cord and out the top of my head. (You could reverse the breaths, I think of out breaths as down and in as up.) Slowly, gently, with no force, I breath down the cord to the center of the earth (I sometimes imagine growing roots to the earth's core instead of a cord). If I am centered, I can put it down like roots all the way to the core, where it "plugs in" or ties around, or becomes part of the core, very easily. If I'm not centered, I cannot get it down all the way, its a great struggle, and doesn't work. Then, once the roots or cord are "plugged in" to the earths core, I bring energy up with the up breaths from the center of the earth, through the roots, through my body, out the top of my head, and like branches or a cord, up to the stars. Then I take that energy down through me and out into the core. Up and out to the stars. again, I sort of "plug in" to something in the heavens above, though its more vague, sometimes is many stars, sometimes its one star, sometimes I don't know what it is. Keep breathing earth energy up through you to the stars, then star energy down through you to the earth. Make sure not to let the energy sit in you, move it through you and on to the universe elsewhere. Humans make excellent energy channels, but becoming energy receptacles causes big problems. Energy doesn't like to stand still.
The other thing (the biggest thing) I do, when I'm feeling spiritually lost, is crying out to the Divine. If you know what the divine is to you (a specific god or goddess or set of gods and/or goddesses, or something else), that's great. If not, the unnamed, mysterious higher power of the universe is the same thing, imho. Whatever you believe.
(I use the term G-d both because thats what I call this higher power, and because it is a fairly socially acceptable term for this power. Please don't be offended if you do not identify with the way the english language corrals us into choosing a gender and a singularity vs. polyarity when speaking)
Maybe you could start by saying (out loud. that always helps me, I find I have to say it out loud) "Please G-d, I'm so lost. I feel like I need to feel you, to be more spiritual, and I don't know where to start. I'm lost, I'm confused. I want to grow spiritually, and I don't know where to start. Please, help me." Thats just a suggustion, though I would make up my own words if I were you. Really let yourself go. (You almost certainly need the kids asleep, or with a friend, partner or sitter for this, and to be in a room where you won't be undisturbed. It is very difficult to be disturbed in the middle of something like this. I tend to get loud when crying out to G-d, and thus prefer to do so when no one is home, unless I get to a point where I must right away.) Cry, shout, yell, scream, plead, beg, whimper, cry, talk, get mad, get angry, get sad, get scared, whatever you need. They say G-d can close the gates of heaven to prayer, but the gates of heaven are always open to tears. Let yourself feel how you feel. Let yourself fully feel what you are feeling in the moment, your search, and let it out.
Cry out to the universe and G-d. First of all, I always feel much better for letting it out. Secondly, G-d always answers. If I ask for the way, a path of some sort opens up. Its up to me to take it, and I might not like the path at first, but I did ask for a path. If I cry out because something is wrong in my life, I might start to fix it without realizing it, I might have a thought about how to fix it (then or a week later, or even later). Most of all, I let it out, and feel spiritually comforted, almost like G-d is giving me a hug, holding me.
also, you say working on your spirituality "again". think about what worked before, and try starting there. It might be the right place again, and it might be totally wrong now, and you won't know unless you try it.
HTH. good luck. Take it one step at a time. Knowing that you need to find your spirituality is the first step.