Set - ugly turn spot

[Herrigel]

Opponent is a 28/12/1 Reg., probably a losing player.
Postflop he goes way too far with marginal holdings.

Party Poker No-Limit Hold'em, $4 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

saw flop|<font color="#C00000">saw showdown</font>

CO ($516.50)
Button ($394)
<font color="#C00000">Hero ($433.50)</font>
BB ($553.75)
<font color="#C00000">UTG ($400)</font>
MP ($400)

Preflop: Hero is SB with 6[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/diamond.gif[/img].
<font color="#CC3333">UTG raises to $16</font>, <font color="#666666">3 folds</font>, Hero calls $14, <font color="#666666">1 fold</font>.

Flop: ($36) 6[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">UTG bets $28</font>, <font color="#CC3333">Hero raises to $110</font>, UTG calls $82.

Turn: ($256) 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
$274 left. Hero pukes and...?

After the Flop action I put him on a wide range (PP, FD, OESD, some combos).

Now what?