Ancaire has some great suggestions. Daycare is a really good idea. Is your English strong enough that you could work for one of the phone translation services that are out there? (Probably contract work, but likely pretty good money when you do work if your language is in demand.)
Do you know what his income is? If so, you can google your state's name and child support formula. If not, I would be very careful.
You need to file for temporary support and do it soon, before he stops paying bills and tries to kick you out.
I am concerned that if you go back to Europe that he won't support you financially at all. American orders are probably very difficult to enforce from there.
Two other quick thoughts-- is most of the debt consumer debt? If so, perhaps bankruptcy is the right solution. Misses up credit big time, but sounds like the stress of debt is very problematic.
If he is around on weekends, could you pick up an hourly job. Wouldn't be much money but would get you some experience.
