$22 30/60 KJs in BB vs minraise/call/call

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I had a read on both players with the minbet/call on the flop and went for the check raise, what would you have done?

PartyPoker $22 Speed Tournament, Big Blind is t60 (9 handed) Converter on pregopoker.com

UTG (t2190)
UTG+1 (t1265)
MP1 (t4035)
MP2 (t1650)
MP3 (t1815)
CO (t1600)
Button (t2440)
SB (t3005)
Hero (t2000)

Preflop: Hero is in BB with J[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/club.gif[/img]
<font color="gray">UTG folds</font>, UTG+1 calls t60, <font color="red">MP1 raises to t120</font>, <font color="gray">MP2 folds</font>, <font color="gray">MP3 folds</font>, <font color="gray">CO folds</font>, <font color="gray">Button folds</font>, SB calls t90, Hero calls t60, UTG+1 calls t60

Flop: (t480) T[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/club.gif[/img] (4 players)
SB checks, Hero checks, UTG+1 checks, <font color="red">MP1 bets t60</font>, SB calls t60, <font color="red">Hero raises to t295</font>, UTG+1 calls t295, MP1 calls t235, <font color="gray">SB folds</font>

Turn: (t1425) 7[img]/images/graemlins/club.gif[/img] (3 players)
<font color="red">Hero bets t475</font>, <font color="red">UTG+1 raises to t850 (All-in)</font>, <font color="red">MP1 raises to t3620 (All-in)</font>, Hero calls t1110 (All-in)

River: (t7480) 9[img]/images/graemlins/diamond.gif[/img] (3 players)


Results in gray below:
<font color="#f7f7f7">Hero has Jc, Kc (a pair of kings)</font>
<font color="#f7f7f7">UTG+1 has Jh, Qs (a straight, nine to king)</font>
<font color="#f7f7f7">MP1 has Qh, Ah (high card ace)</font>