100NL - How to bet this non-nut straight?

[AlwaysTilted]

Not many reads on the BB. But he hasn't done anythign crazy till now. Fairy tight and conservative player from what I have seen so far.

Full Tilt Poker - No Limit Hold'em Cash Game - $0.50/$1 Blinds - 8 Players - (LegoPoker Hand History Converter)

SB: $116.15
BB: $35.85
UTG: $145.90
Hero (UTG+1): $55.90
MP1: $18.50
MP2: $167.05
CO: $98.80
BTN: $22.05

Preflop: Hero is dealt Q[img]/images/graemlins/club.gif[/img] J[img]/images/graemlins/heart.gif[/img] (8 Players)
UTG folds, Hero calls $1.00, 2 folds, CO calls $1.00, BTN folds, SB calls $0.50, BB checks

Flop: ($4) 8[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/club.gif[/img] (4 Players)
SB checks, BB checks, <font color="red">Hero bets $4.00</font>, 2 folds, BB calls $4.00

Turn: ($12) 9[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">BB bets $12.00</font>, Hero calls $12.00

River: ($36) 4[img]/images/graemlins/club.gif[/img] (2 Players)
BB checks, Hero ??????????

[orange]

22 on river

also, i usually fold pre