My best call ever?

There was a quick call on the flop, which made me think he might have a draw. Then he had a quick overbet on the river which made me think he had air.

PokerStars No-Limit Hold'em Tourney, Big Blind is t30 (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: HTML)

UTG (t1410)
UTG+1 (t4855)
MP1 (t1535)
MP2 (t955)
MP3 (t1345)
Hero (t4300)
Button (t1730)
SB (t1060)
BB (t1565)

Preflop: Hero is CO with Qd, Ac.
1 fold, UTG+1 calls t30, MP1 calls t30, 2 folds, CO raises to t120, 3 folds, UTG+1 calls t90, MP1 calls t90.

Flop: (t405) 3d, 2d, 9c (3 players)
UTG+1 checks, MP1 checks, CO bets t305, UTG+1 calls t305, MP1 folds.

Turn: (t1015) 6c (2 players)
UTG+1 checks, Hero checks.

River: (t1015) 3c (2 players)
UTG+1 bets t1440, Hero calls t1440.

Final Pot: t3895

Results in white below:
UTG+1 has 5d 7d (one pair, threes).
Hero has Qd Ac (one pair, threes).
Outcome: Hero wins t3895.