AQo, 2nd pair turn drawy board

Salut, je me pose des question sur cette main principalement en ce qui concerne mes bets size flop/turn, qu'en pensez vous?
Après je pense que river la décision est assez obv...

Seat 6: Player6 ( 59113 ) - VPIP: 40, PFR: 22, 3B: 7, AF: 2,0, Hands: 139

Winamax, $9 Buy-in (500/1,000 blinds, 100 ante) No Limit Hold'em Tournament, 6 Players
Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite.

BB: 19,865 (19.9 bb)
UTG: 30,333 (30.3 bb)
MP: 27,388 (27.4 bb)
Hero (CO): 43,075 (43.1 bb)
BTN: 38,515 (38.5 bb)
SB: 59,113 (59.1 bb)

Preflop: Hero is CO with A Q
2 folds, Hero raises to 2,000, BTN folds, SB calls 1,500, BB folds

Flop: (5,600) K 9 6 (2 players)
SB checks, Hero bets 2,520, SB calls 2,520

Turn: (10,640) A (2 players)
SB checks, Hero bets 4,785, SB calls 4,785