NL100 - rivered Set. good fold?

[MakeMuuney]

Cryptologic Network No-Limit Hold'em, $1 BB (6 handed) Hand History converter Courtesy of PokerZion.com

UTG ($196.50)
MP ($106.55)
CO ($115.60)
Hero ($100)
SB ($110.95)
BB ($200.08)

Preflop: Hero is Button with Q[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">3 folds</font>, <font color="#CC3333">Hero raises to $4</font>, SB calls $3.50, BB calls $3.

Flop: ($12) 7[img]/images/graemlins/spade.gif[/img], 2[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, BB checks, <font color="#CC3333">Hero bets $9</font>, SB calls $9, BB folds.

Turn: ($30) T[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, Hero checks.

River: ($30) A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets $19</font>, <font color="#CC3333">SB raises to $97.95</font>, Hero folds .

Villian is a regular TAG playing about 12/7/2.6 over 6000 Hands. Went to Showdown 27/ Won 55. Advice on all streets appreciated!