First step would be cutting your TRT dose in half.
And adding 25mg Aromasin ED and retesting. That might not even get close to lowering it into range, but it'll get it down some for sure. You sound like a big converter.
I spent a long time screwing around with Arimidex, but Aromasin is a much much MUCH superior AI, and it is weaker, which is also much better.