My raises were getting folds preflop so for a change of pace I decide to limp AA. Villain's only been at the table for an orbit or two...

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.25/$0.50
6 players
Converter

Stack sizes:
UTG: $48.50
UTG+1: $76.55
Hero: $71.10
Button: $68.70
SB: $50.45
BB: $30.95

Pre-flop: (6 players) Hero is CO with A A
2 folds, Hero calls $0.5, Button folds, SB calls $0.25, BB checks.

Flop: T 7 7 ($1.5, 3 players)
SB bets $1.5, BB folds, Hero raises to $3, SB calls $1.5.

Turn: 5 ($7.5, 2 players)
SB bets $2, Hero raises to $5, SB raises to $12, Hero ???