AKs Flush on river - only beating a bluff - NL50

[Ra_]

villan - 29/17/2.2 over only 30 hands - seemed a bit aggro but not really sure.

I'd usually fire again when i picked up the FD and overs, but not when the board just double paired

Party Poker
No Limit Holdem Ring game
Blinds: $0.25/$0.50
5 players
Converter

Stack sizes:
UTG: $66.10
CO: $61.57
Hero: $53.80
SB: $68.10
BB: $81.71

Pre-flop: (5 players) Hero is Button with A[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/spade.gif[/img]
2 folds, <font color="#cc0000">Hero raises to $2</font>, SB folds, BB calls.

Flop: 9[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/diamond.gif[/img] 9[img]/images/graemlins/spade.gif[/img] ($4.25, 2 players)
BB checks, <font color="#cc0000">Hero bets $3.5</font>, BB calls.

Turn: 5[img]/images/graemlins/spade.gif[/img] ($11.25, 2 players)
BB checks, Hero checks.

River: T[img]/images/graemlins/spade.gif[/img] ($11.25, 2 players)
<font color="#cc0000">BB bets $8</font>, hero?

[Ra_]

bump ....

before the river bet i thought some medium pairs are in his range, but now i think he has a boat or complete air.