wild 3/6 kill game, family pot, flopped wheel

[beset7]

3/6 w/ a full kill (goes 6/12)

Hero is BB with 2 [img]/images/graemlins/heart.gif[/img] 3 [img]/images/graemlins/heart.gif[/img]

UTG is on the kill button and checks (6 posted blind)

Everyone at the table limps in
UTG+1, MP1 and MP2 are drunk maniacs
LP is a calling station
CO is a calling station
Button is a maniac
SB is TAG

Hero calls

Flop

A [img]/images/graemlins/club.gif[/img] 4 [img]/images/graemlins/heart.gif[/img] 5 [img]/images/graemlins/club.gif[/img]

SB checks
Hero bets
Entire table calls.

Turn

3 [img]/images/graemlins/diamond.gif[/img]

SB Checks
Hero bets 12
UTG calls
UTG+1 Raises
The rest of the table cold calls the raise!!!

Hero ???

Results later.

[beset7]

...Hero raises
UTG+1 Caps
Rest of the table calls

River
blank

Hero checks
UTG+1 bets
Everyone fold to hero
Hero calls

UTG+1 shows 76o and takes the pot.

Was the turn raise incorrect?