Villain is a huge nit, 16/12/4. No real reads on how he plays post flop.

$0.25/$0.5 No Limit Holdem
3 players
Converted at weaktight.com

Stacks:
BTN ($49.25)
SB ($97.05)
Hero ($73.70)

Pre-flop: ($0.75, 3 players) Hero is BB
BTN calls $0.5, SB raises to $2.25, Hero calls $1.75, BTN folds

Flop: ($5, 2 players)
SB bets $3, Hero raises to $9, SB raises to $32, $23 to Hero ($62.45)?