Holdem No Limit - $0.5 BB

BB ($95.50) [Hero]
UTG ($9.50)
MP ($52.31)
CO ($51.83)
Button ($39.36)
SB ($23.03)

Hero is BB with T, T
Preflop: (6 players, $0.75)
UTG calls $0.50, MP calls $0.50, CO calls $0.50, Button calls $0.50, SB calls $0.25, Hero raises $3, UTG folds, MP calls $3, CO calls $3, Button calls $3, SB folds

Flop: 4, 2, 7 (4 players, $15)
Hero bets $9, 2 folds, Button calls $9

Turn: 8 (2 players, $33)
Hero ???

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Villian is an unknown.

What's your turn move here?