villain is unknown, comments on all streets welcome

Party Poker No-Limit Hold'em, $ BB (6 max, 6 handed) FTR converter on zerodivide.cx

Hero ($102.50)
MP ($94.90)
CO ($82.90)
Button ($105.60)
SB ($99.50)
BB ($108.55)

Preflop: Hero is UTG with A, K. SB posts a blind of $0.50.
Hero raises to $3, 1 fold, CO calls $3, 3 folds.

Flop: ($7.50) 8, A, Q (2 players)
Hero bets $6, CO raises to $12, Hero calls $6.

Turn: ($31.50) 6 (2 players)
Hero checks, CO bets $15, Hero calls $15.

River: ($61.50) 5 (2 players)
Hero checks, CO bets $25, Hero calls $25.

Final Pot: $111.50