Just don't know what to do here

Full Tilt Poker
Pot Limit Omaha Ring game
Blinds: $0.10/$0.25
6 players
Converter

Stack sizes:
UTG: $24.75
UTG+1: $29.35
CO: $27.85
Hero: $45.35
SB: $12.55
BB: $60.95

Pre-flop: (6 players) Hero is Button with A J 9 K
2 folds, CO calls, Hero calls, SB calls, BB checks.

Flop: 9 2 T ($1, 4 players)
SB checks, BB checks, CO bets $1, Hero ????????

When in doubt, hit the pot button.

Deffo re-pot.

Please raise pf.