You can decrease your T dose even lower - there are people on this forum that do quite well on 70 mg/week. As you already know, overdoing T is acting as a stimulant and that is not wanted in your case. Stimulants are NOT the answer when you feel fatigued - you have to eliminate the problem that leads to fatigue.
Boron might be acting as a stimulant - can increase anxiety and decrease sleep. This is not what you want and you don't need "more free testosterone" on TRT. Overboosting the free testosterone would just bring more nervousness, not that boron is very effective at that.
Pregnenolone seems unnecessary. It has questionable effectiveness for sleep, while you are already on tons of meds that promote sleep.
Instead of Kratom, I would use a calming strain of weed, if you need it at all. I haven't used either but weed looks like the lesser evil compared to Kratom.
The benzo that is traditionally prescribed for sleep is temazepam. This should have been tried first instead of other tangential drugs or benzos for anxiety.
How did you lose your hearing? This and the "fire behind your eyes" seem like neurologic symptoms. It is a good idea to check your overall medical health and not focus only on hormones - they do not determine everything.