You cannot start learning the OH Squat using a barbell. You have to start off with a broomstick. So get a broomstick and practice. It will take you some time to get it right, but trust me: it will come. So your next step with this exercise is to get a broomstick and do a few sets of 2-3 reps at the most. Try to really hone in your technique.
Forget about squats and start doing front squats. They're a LOT more effective.
Bench Press looked decent...tuck your elbows in at all times - never flare them out.
Don't do dumbbell rows like that....If you want to do dumbbell rows, this is the way to go:
You never answered my question: how often can you lift? This will be crucial in devising a template for you to follow..