I'm really sorry that you had to go through this...
I had a little bit similar situation (but no SUI attempt) after talking at the session about csa, and for sure after talking too much about it and without any grounding at the end of the session - time was up so I left. Afterwards I was a bit angry at my T that he didn't stop me and eventually I've changed T... My current T says that I was re-traumatized by the previous T and that it could be dangers for me if I stayed with him. However, I do not think that he did it in purpose or that he made a very big mistake - he didn't know me, he could not expect that it could be so bad for me, Ts cannot read in our minds so I would not accuse my T for being unethical or something like that. We just didn't fit...

If I was you, I wouldn't stop the therapy, because for how long? If you come to the same T in a year and talk about the same things, it could end up similarly... And I guess it is something worth to work on... But maybe you could find another T? Who specializes with trauma work?