Hand #1: Fold. Min-raises are donkeys saying MHIG!!!
Hand #2: Are you afraid he had the 4? Is that why you checked? Because if you think he has a 4 then I c/c him down. If not afraid, I bet.
Hand #3: I raise the turn more, as played I think you can find a fold on the river. He played it like a flush draw and hit on the river. The only other hand he could have is a set which also has you beat. Unless you know he tends to overvalue 2 pair?
Hand #4: Fold preflop, this is not a good hand OOP. Or 3-bet if you have an issue with his button bets but give it time to see if he actually gets out of hand. As played on the flop you look like a 2 pair and look what the turn gave you. This would have been an awesome time to bluff against an opponent that can fold AK.
Hand #5: Good.