B&M 300$ Buyin (2-5 blinds):
Villain is a super loose calling station (he once called a 50$ bet on the river with just a queen high busted straight flush draw). He has been hitting his draws too and so has started raising more hands.

Stack size: Hero has 850 behind, Villain has 700 behind
Hero has KK in MP3
Preflop: Villain raises 25, Hero reraises 100, Villain calls.

Flop (200$) : 5h-7c-9d
Villain checks, Hero bets 80, Villain raises 200, hero ??
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Hand 2:
Stack size 250. Very loose table. Villain is new to the table so no reads. Main question is do i pay off trips here or get out of the hand being commited only 40$ ?

Hero has AA in MP3.
Preflop: Hero raises 40, 4 callers. Villain is BB
Flop(160): Q-Q-5 rainbow
Hero checks, Villain bets 40, Hero ??