Register with your states office of Voc. Rehab. in your area. Here is a link for your state: https://des.az.gov/services/employme...abilitation-vr

When you go in, ask them specifically about referring you to a "benefits advisor." A friend of mine did this and got extremely valuable guidance. She actually overworked for a period, and the advisor helped her get out of a bad jam, where she was threatened with losing her SSDI.

Watch out for people who will give you misinformation. Lots of people think they know more than they do. Track down a true expert.