nl100:turned straight on montone flop - fold river?

[chillout85]

Villain joined the table just a few orbits ago. The only pot we played together he called my 3bet with 34s while on the button and won a reasonable pot off me after turning a straight...

Party Poker, $0.50/$1 NL Hold'em Cash Game, 5 Players
LegoPoker Hand History Converter

SB: $99
BB: $155.45
UTG: $106.10
CO: $102.14
Hero (BTN): $115.19

Pre-Flop: 8[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/spade.gif[/img] dealt to Hero (BTN)
2 folds, <font color="red">Hero raises to $3.50</font>, SB folds, BB calls $2.50

Flop: ($7.50) J[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] (2 Players)
BB checks, <font color="red">Hero bets $4.50</font>, BB calls $4.50

Turn: ($16.50) Q[img]/images/graemlins/club.gif[/img] (2 Players)
BB checks, <font color="red">Hero bets $13</font>, <font color="red">BB raises to $26</font>, Hero calls $13

River: ($68.50) 8[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">BB bets $34</font> Hero?

I know I should have bet a bit more on the flop. Comments on all streets welcomed