flopped set ve PF Reraiser...whats my line?

[1C5]

No read but this is the 2nd hand he reraised me in a row.

1. Do you call or fold PF?
2. Now what?

PokerStars No-Limit Hold'em, $1.00 BB (6 handed) Hand History converter Courtesy of PokerZion.com

SB ($96.50)
BB ($104.40)
UTG ($155.95)
MP ($74.55)
CO ($99.70)
Hero ($99.65)

Preflop: Hero is Button with 8[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 fold</font>, MP calls $1, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $5</font>, <font color="#CC3333">SB raises to $15</font>, <font color="#666666">1 fold</font>, MP folds, Hero calls $10.

Flop: ($32) 8[img]/images/graemlins/spade.gif[/img], 2[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets $15</font>, Hero ?