From what I can see this looks fine, other than being perhaps a bit too deep. What is the connection between your initial problem and this squat? Can...
I would be very surprised if you could make twice weekly increases on your squat for all that much longer while your deadlift slows down. If you like...
Still go up in weight. You are taking like three "run ups" to the back setting and going on the final and sloppiest one. Set your back, FREEZE, then...