Hero (UTG): $76.11

CO: $52.58

BTN: $49.00

SB: $67.83

BB: $45.43

Hero is UTG with Ac 7c Qd Td

Hero raises to $2, 2 folds, SB raises to $6.50, 1 fold, Hero calls $4.50

Flop: ($13.50) Qc Jh 4d (2 players)

SB bets $8, Hero calls $8

Turn: ($29.50) 6d (2 players)

SB bets $22, Hero ??

Sorry, for the lame format...anyway, villain is unknown...I guess preflop is standard? On the F, I have TP+nut GS+2 backdoor FDs, so what is best? Also, given I call on the F, what is best on the T?

Thanks!