[bosh]

Hand 1 i think you should prob be folding the turn as his cc in the sb is most likely mid sc which will have hit that flop very hard. the turn completes some straight draws as well. As played the river fold is fine.

Hand 2 i would probably fold aswell as you only really beat busted fd and if he is not very agg ps he prob wont be 3 barreling much.

Hand 3 i would call any non diamond.

Hand 4 i think you should decide on the turn whether or not you are going to showdown. Given his utg cap and low pfr there is not much of his range you are ahead of here.