25nl flopped straight

[KJL]

Villain is a solid, ABC TAG player. 18/12 over 60 hands. I suspect he has a set here, as this is exactly how he played a set a few hands before. I'm just curios what line you guys would take after the flop raise.

Poker Stars - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 4 Players - (LegoPoker HH Converter)

Hero (SB): $26.80
BB: $47.45
UTG: $11.00
BTN: $26.75

Preflop: Hero is dealt 6[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/heart.gif[/img] (4 Players)
2 folds, Hero calls $0.15, BB checks

Flop: ($0.50) 7[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/diamond.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">Hero bets $1.00</font>, <font color="red">BB raises to $3.25</font>,