Debts, Divorce and Bankruptcy

My husband and I live in Texas. We had credit cards with high balances and had a good payment history until one time when I was out of town on business and forgot to make the payment before I left. It was made upon my return home but was four days late. The next month the company increased our interest rate on that card plus two other cards we had with them. We were no longer able to pay the monthly payments. We asked the companies to lower the rates so we could continue to pay but was told that it was their option to change the rate and therefore would not lower it. We were put into a position of putting food on the table for our children or paying the credit cards and we chose our kids. It has been a year since we have made a payment and debt collectors call non-stop. We are two payments behind on our house and are currently trying to sell it.

Today we received a letter from Frederick Hanna & Associates alerting us that they are representing the credit card company on one of the cards we are no longer paying. Should we wait and see if the law firm files a judgment against us or is it time for us to file for bankruptcy. Is that our best option?

My husband and I are now separated and will begin divorce proceedings soon. However, I've heard that courts will not grant a divorce if you are in the midst of a bankruptcy. Is this true?

Any advice is appreciated!
Thanks.