H1: With pretty much no info on this guy and only 22 hands, I'm not 3 betting for value here since I have no idea if worse hands are calling often enough. AJ also ahs plenty value vs his Bu opening range most likely, dominates some of it and hel be c betting, repping a lot of the cards that smack your hand. I don't know why you want to either 3 bet or fold when your hand plays well vs his opening range and likely badly vs his continuing range. If you want to 3 bet bluff here then A: pick a hand that doesn't play really well vs his opening range and, B: pick a hand that isn't dominated and reverse implied odds riddled post flop vs his contionuing range to a 3 bet.

As played I'd bet the flop a bit harder and yuck I hate this spot when he raises, I think it's usually for value though and that he'll be calling with most worse aces and pps that he's continuing. Prolly a few draws and the rest two pair sets, AQ AK etc. I'd cry and fold the flopand ask myself wtf I was doing in this spot vs an unknown in a 3 bet pot with AJ.

H2: Fold preflop, he's not been raising that much so far and few villains are raising many hands you dominate from here. His range is likely just some PPs and shit like AQ AK AJ. Until we know he's actually opening wide from this position it's a very easy fold.

Never folding on this turn as played since I'd expect AQ AK to be jus c betting here a good chunk of the time. I'd expect to see some spazzes here for like QQ 9x fds etc. If he'd min raised again I'd be more worried.