100NL Top and Bottom Pair

[Striker]

Villain is unknown, just sat down an orbit ago. Should I take it to valuetown on the turn, or let him bet himself to death? If you answer either way, please give me a logical range for villain, and why you chose what you did.

Poker Stars, $0.50/$1 NL Hold'em Cash Game, 4 Players
LegoPoker Hand History Converter

BB: $83.70
UTG: $99.40
Hero (BTN): $102
SB: $110.80

Pre-Flop: 3[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/diamond.gif[/img] dealt to Hero (BTN)
UTG folds, <font color="red">Hero raises to $4</font>, SB calls $3.50, BB folds

Flop: ($9) A[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/club.gif[/img] 8[img]/images/graemlins/club.gif[/img] (2 Players)
SB checks, <font color="red">Hero bets $7.50</font>, <font color="red">SB raises to $22</font>, Hero calls $14.50

Turn: ($53) 5[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">SB bets $35</font>, Hero??