Line Check - $200NL 5max (2 hands)

I haven't played much short-handed lately, so I apologize if these are super standard.

1) Villain is unknown

Poker Room skin
No Limit Holdem Ring game
Blinds: $1/$2
5 players
Converter

Stack sizes:
Hero: $191.00
CO: $200.00
Button: $349.35
SB: $206.00
BB: $767.55

Pre-flop: (5 players) Hero is UTG with A :club: A :diamond:
Hero raises to $7, CO calls, Button calls, SB folds, BB calls.

Flop: 2 :club: J :diamond: 5 :spade: ($29, 4 players)
BB checks, Hero bets $18, CO calls, 2 folds.

Turn: 4 :spade: ($65, 2 players)
Hero bets $45, CO raises all-in $175, Hero calls all-in $121.

2) Villain is laggy: 28/19/4

Poker Room skin
No Limit Holdem Ring game
Blinds: $1/$2
5 players
Converter

Stack sizes:
Hero: $240.00
CO: $17.00
Button: $451.20
SB: $337.55
BB: $375.30

Pre-flop: (5 players) Hero is UTG with K :spade: K :heart:
Hero raises to $7, CO folds, Button calls, 2 folds.

Flop: 6 :heart: 3 :spade: 7 :diamond: ($17, 2 players)
Hero bets $14, Button raises to $45, Hero calls.

Turn: J :spade: ($107, 2 players)
Hero checks, Button bets $88, Hero raises all-in $188

Anyone 3bet the flop in hand 2??

Hand 1: Since you have 2 aces AJ isn't likely. Other jacks going crazy like this on the turn seems unlikely. Semi-bluff is unlikely. I give unknowns less credit, but this hand smells like a set. As played except folding to the all in.

Hand 2: I'm probably 3 betting the flop just because he has some straight draws in his range along with 88-QQ. Not sure if it's good though.

I bet more on the flop and fold to the turn shove.