nl100 overpair vs 28/7/1 flush&straight hits

[kaby]

villain is 28/7/1.2 after 170 hands
i have a note on him that he checkminraised bottom two pair on a very drawy board vs my preflop raise/cbet

no history or smth like that

100$ eff

1 foldMP openlimps, I raise Q[img]/images/graemlins/spade.gif[/img]Q[img]/images/graemlins/club.gif[/img] to 5$, BTN calls, 3 folds

Flop (12$) is 7[img]/images/graemlins/diamond.gif[/img]5[img]/images/graemlins/heart.gif[/img]7[img]/images/graemlins/heart.gif[/img]

Hero bets 9.5$, BTN calls

Turn (31$) is 9[img]/images/graemlins/heart.gif[/img]

b/f? (when he just calls, what do we do on a blank river?)
b/c?
just c/f?

[napkins]

I'd b/f, if he calls usually c/f depending on bet size.