NL10 AA vs 1/2 pot bet on turn - scary board

[rookie]

Full Tilt Poker $0.05/$0.10 No Limit Hold'em - 6 players - View hand 122762
The Official DeucesCracked.com Hand History Converter

CO: $10.84
BTN: $8.69
Hero (SB): $11.67
BB: $15.34
UTG: $3.88
MP: $13.28

Pre Flop: ($0.15) Hero is SB with A A
3 folds, BTN raises to $0.40, Hero raises to $1.20, 1 fold, BTN calls $0.80

Flop: ($2.50) J T 4 (2 players)
Hero bets $1.70, BTN calls $1.70

Turn: ($5.90) Q (2 players)
Hero checks, BTN bets $2.80, Hero ??

hero 28/16
villain 34/21