What hands do you put villian on and do you lay this down at this point?
Secondly, would you have played this any differently to get to this point?

PokerStars No-Limit Hold'em, $0.50 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG ($43.65)
UTG+1 ($46.75)
MP1 ($34.80)
MP2 ($62.80)
Hero ($33.85)
Button ($51.25)
SB ($30.25)
BB ($91.40)

Preflop: Hero is CO with A, Q.
2 folds, MP1 calls $0.50, MP2 calls $0.50, Hero raises to $2, 3 folds, MP1 calls $1.50, MP2 folds.

Flop: ($5.25) J, A, 4 (2 players)

MP1 bets $3.50, Hero raises $5.50 to $9, MP1 raises $5.50 to $14.50