This is becoming a problem more-and-more ... meet with an attorney immediately.
PROFESSOR OF IMMIGRATION LAW for over 10 years -- This blog posting is offered for informational purposes only. It does not constitute an attorney-client relationship. Also, keep in mind that this is an INTERNET BLOG. You should not rely on anything you read here to make decisions which impact on your life. Meet with an attorney, via Skype, or in person, to obtain competent personal and professional guidance.
Divorce cases in Dallas are starting to move more quickly, which just means that you can get a final trial in typically 6 - 9 months, barring extensive discovery and if you push for it.
Sit down with an attorney and discuss the situation. You may likely see allegations of family violence next, as that is one way divorcing spouses that are immigrants can maintain their status in the US. Should this occur, DO NOT SIT BY IDLY. Fight it and fight it hard. Findings of family violence can mess up your life - yes, that is legal talk. But really, it sticks with you and labels you.
If you can come to an agreement on the support, it might be cheaper (before lawyers get involved) to enter into an Agreed Decree of Divorce.
Try sitting down with a lawyer and letting them review the situation. Many offer free initial consultations.
This answer is intended for informational and educational purposes only and should not be considered legal advice nor forming the attorney client relationship. This attorney is licensed in Texas.