$25.00 No Limit Hold'em - 6 players -
MP: $24.79
CO: $24.26
BTN: $24.63
Hero (SB): $28.92
BB: $25.00
UTG: $45.58
Pre Flop: ($0.37) Hero is SB with J 
A 
2 folds, CO raises to $0.56, 1 fold, Hero calls $0.44, 1 fold
Flop: ($1.37) T 2 Q (2 players)
Hero checks, CO bets $0.75, Hero raises to $2.50, CO calls $1.75
Turn: ($6.37) 9 (2 players)
Hero bets $4.50, CO raises to $21.20, Hero folds
CO
Preflop 3bet? I called because it was only a minRaise.
On the flop I've decided to make a move with my GS+overcard+backdoorFD.
What do you think about the bluff, and the barrel on this turn?