Turned a boat. What do you do?

[Garland]

The main villian has the following stats:

68 hands, VP$IP = 50.00, Preflop Raise % = 13.24, Aggression factor = .74 (passive side with aggression usually coming on turn and river).

What would you do in the following situation?

Garland

Ultimate Bet No-Limit Hold'em, $2 BB (10 handed) converter

UTG+1 ($209.50)
UTG+2 ($66.50)
MP1 ($499.50)
MP2 ($279.50)
Garland ($196)
CO ($347.50)
Button ($114)
SB ($86.50)
BB ($111)
UTG ($167)

Preflop: Garland is MP3 with 8[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/heart.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">MP2 raises to $10</font>, Garland calls $10, <font color="#666666">1 fold</font>, Button calls $10, <font color="#666666">2 folds</font>.

Flop: ($33) 5[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
MP2 checks, Garland checks, Button checks.

Turn: ($33) 8[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
MP2 checks, <font color="#CC3333">Garland bets $22</font>, Button folds, <font color="#CC3333">MP2 raises to $100</font>, Garland ????