NL50: Flopped top two vs aggressive villain.

[slickss]

Villain is 60/10 over 90 hands.

<font color="black">Stack Sizes</font>
SB: $35.1
BB: $25.5
UTG: $24
UTG+1: $60.40
MP1: $67.15
MP2: $47.25
CO: $30.65
Hero (BTN): $70.35

<font color="black">Preflop:</font> 7[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] ($0.75, 8 players)
UTG calls $0.50, UTG+1 calls $0.50, MP1 folds, MP2 folds, CO folds, Hero calls $0.50, SB calls $0.25, BB checks

<font color="black">Flop:</font> 6[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/diamond.gif[/img] ($2.5, 5 players)
<font color="red">SB bets $0.50</font>, BB calls $0.50, UTG folds, UTG+1 calls $0.50, <font color="red">Hero raises to $3.50</font>, <font color="red">SB raises to $6.50</font>, BB folds, UTG+1 folds, Hero calls $3

<font color="black">Turn:</font> 6[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/diamond.gif[/img] [K[img]/images/graemlins/diamond.gif[/img]] ($16.5, 2 players)
<font color="red">SB bets $7</font>, Hero calls $7

<font color="black">River:</font> 6[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/diamond.gif[/img] [T[img]/images/graemlins/club.gif[/img]] ($30.5, 2 players)
<font color="red">SB bets $10</font>, Hero?

He was so aggressive, and I doubt it was to get me off my hand. I suspect 66/58/8T. I folded this. I feel I either should've folded on the turn or repopped flop - any thoughts on my line here?