50NL-rivered set

[JimboNYY24]

Villain in this hand is 73/21/.79 over ~100 hands. His river agression factor has been 7.67 and for most of the match hes been going check/check/overbet the pot. I looked him up w/ top pair a few times and have been no good. The times I've raised his overbet he hasn't called. This looks like an easy raise obv. Do I b/c b/f or call? Please berate all streets because apparently I SUCK HARD at headsup.

Poker Stars, $0.25/$0.50 NL Hold'em Cash Game, 2 Players
LeggoPoker.com - Hand History Converter

BB: $52.55
Hero (SB): $83.45

Pre-Flop: 6[img]/images/graemlins/heart.gif[/img] 6[img]/images/graemlins/spade.gif[/img] dealt to Hero (SB)
<font color="red">Hero raises to $1.50</font>, BB calls $1

Flop: ($3) 9[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/club.gif[/img] (2 Players)
BB checks, Hero checks

Turn: ($3) 2[img]/images/graemlins/spade.gif[/img] (2 Players)
BB checks, <font color="red">Hero bets $1.50</font>, BB calls $1.50

River: ($6) 6[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">BB bets $8</font>