3-Bet PF Im oop

[slowhand5]

In retrospect I regret raising this hand oop but I did and I'm stuck in this tricky spot.

I don't know much about villain, 24/13 over 40 hands and I havent really noticed special.

PokerStars Pot-Limit Omaha High, $0.50 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Button ($13.65)
SB ($100.30)
BB ($30.85)
Hero ($68.25)
MP ($78.95)
CO ($68)

Preflop: Hero is UTG with Q, 9, J, A.
Hero raises to $1.75, 1 fold], CO raises to $5, Button calls $5, SB calls $4.75, 1 fold, Hero calls $3.25.

Flop: ($20.50) T, 3, A [color=#0000FF](4 players)</font>

Should I bet and fold to a re-raise? Check/Call? Check/Raise?