Flopped a boat out of position in multi-way pot

10+1 Deep Stacks

It's clear that BB likes his hand, and if I were heads up with him I'd be playing more aggressively, but with another player behind me, I thought it might be better to encourage him to draw. How's my line?

PokerStars No-Limit Hold'em Tourney, Big Blind is t400 (9 handed) converter

MP3 (t12040)
CO (t25835)
Button (t45260)
SB (t17367)
BB (t19234)
UTG (t45775)
Hero (t35341)
MP1 (t17984)
MP2 (t28080)

Preflop: Hero is UTG+1 with 4[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/spade.gif[/img].
UTG calls t400, Hero calls t400, <font color="#666666">4 folds</font>, Button calls t400, SB completes, BB checks.

Flop: (t2000) 5[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(5 players)</font>
SB checks, <font color="#CC3333">BB bets t800</font>, UTG folds, Hero calls t800, Button folds, SB calls t800.

Turn: (t4400) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">BB bets t1200</font>, Hero calls t1200, SB calls t1200.

River: (t8000) 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">BB bets t3200</font>, Hero calls t3200, SB folds.

Final Pot: t14400