All of these decisions with our difficult children can be gut wrenching, but with the support of those here, we are finding our way.
I think you gracefully walked a fine line of doing what you felt you could and not crossing your own boundaries.
I have been in a similar situation many times with my DS after his release from jail - wracked with worry, helping with what I can, and sometimes with too much, but knowing, ultimately, that I have to learn to detach to protect myself.
You are in my thoughts.