how old is your daughter? just wondering, why you are not fighting for custody? Will your daughter be well taken care of if your hubby gets custody? Doesn't seem like he is responsible enough. So his parents will take care of her?
if you are not happy in your marriage and despite several chances given to your hubby to change and he has not, i do understand the reason behind your intention to divorce.
I have a baby gal myself. Hubby also always drink, before marriage till now same same. I have to say that i'm not as strong as you are. I do not have the guts to divorce and i think i can tahan because of my baby. Me and hubby also always quarrel over his mom, worse case is she lives with us. Totally cannot get along, have not spoken or greet her for at least 5 years.
Think through and if you still think divorce is the solution to it, then i wish you the best.