50NL AA on a coordinated board

[PureNHL]

Full Tilt Poker - No Limit Hold'em Cash Game - $0.25/$0.50 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $64.10
BB: $13.75
UTG: $57.75
MP: $49.75
CO: $89.55
Hero (BTN): $69.75

Preflop: Hero is dealt A[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/spade.gif[/img] (6 Players)
2 folds, <font color="red">CO raises to $2.00</font>, <font color="red">Hero raises to $7.00</font>, SB calls $6.75, 2 folds

Flop: ($16.50) 9[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/club.gif[/img] (2 Players)
SB checks, Hero checks

Turn: ($16.50) 2[img]/images/graemlins/club.gif[/img] (2 Players)
SB checks, <font color="red">Hero bets $10.00</font>, SB calls $10.00

River: ($36.50) 4[img]/images/graemlins/heart.gif[/img] (2 Players)
SB checks, Hero checks

Pot Size: $36.50 ($1.80 Rake)

Any thoughts? After reviewing the hand I don't like my check on the flop, even though it's not what I was hoping for. A cold call like this could easily be 22-66 and villian would be FoF on the flop. Any thoughts on turn and river play?