Only sat down a few hands ago, no reads, I do need o bet the turn but what do I do if both call or one/both push over?

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($27)
MP ($15.05)
CO ($34.35)
Button ($23.30)
SB ($25.95)
BB ($28.80)

Preflop: Hero is UTG with A, A.
Hero raises to $1.25, MP calls $1.25, CO calls $1.25, 3 folds.

Flop: ($4.10) 9, 9, T (3 players)
Hero bets $3, MP calls $3, CO calls $3.

Turn: ($13.10) 7 (3 players)
[color=#CC3333]Hero bets??