weird TPGK in multiway pot

[nath]

no real read on UTG+1. Button is DrGiggy. BB is a terrible loose-passive.

What do I do on the turn? I mean, I feel the weak donk is strongly indicative of a draw, but... how do I maximize value? Can I win the hand? WTF do the other guys have?

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $2/$4
6 players
Converter

Stack sizes:
Hero: $437.60
UTG+1: $324
CO: $349.85
Button: $1041.20
SB: $79
BB: $424.20

Pre-flop: (6 players) Hero is UTG with K[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/spade.gif[/img]
<font color="#cc0000">Hero raises to $14</font>, UTG+1 calls, CO folds, Button calls, SB folds, BB calls.

Flop: T[img]/images/graemlins/heart.gif[/img] 4[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/diamond.gif[/img] ($58, 4 players)
BB checks, <font color="#cc0000">Hero bets $42</font>, UTG+1 calls, Button calls, BB calls.

Turn: 5[img]/images/graemlins/diamond.gif[/img] ($226, 4 players)
<font color="#cc0000">BB bets $52</font>, Hero?