$22: bubble flop decision

[45suited]

In order to put this hand into context, you need to see how completely retarded the other shortstack is. This hand took place a couple hands before the hand in question:

PartyPoker $22 Speed Tournament, Big Blind is t600 (4 handed) Converter on pregopoker.com

CO (t7485)
Hero (t1300)
SB (t8265)
BB (t2950)

Preflop: Hero is in Button with A[img]/images/graemlins/diamond.gif[/img] 2[img]/images/graemlins/diamond.gif[/img]
<font color="gray">CO folds</font>, <font color="red">Hero raises to t1300 (All-in)</font>, <font color="gray">SB folds</font>, <font color="gray">BB folds</font>

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Now, onto the hand in question. First, another 2+2er said that I should push preflop. I maintain that this is terrible, given that the bigstack would be getting 1.75:1 and that calling won't dent his stack. Meanwhile, I have J high and the other shortstack laughs all the way to the bank.

Now, on the flop, of course I think I have the best hand. But is it enough to push over the top? (Calling is out of the question.) I realize that he's probably auto betting any flop, but given the drawish nature of the board and the retardedness of the other shortstack, who folds here?

PartyPoker $22 Speed Tournament, Big Blind is t600 (4 handed) Converter on pregopoker.com

CO (t7365)
Button (t2050)
SB (t8385)
Hero (t2200)

Preflop: Hero is in BB with 5[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/heart.gif[/img]
<font color="gray">CO folds</font>, <font color="gray">Button folds</font>, SB calls t300, Hero checks

Flop: (t1200) K[img]/images/graemlins/spade.gif[/img] 5[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/heart.gif[/img] (2 players)
<font color="red">SB bets t600</font>, <font color="gray">Hero folds</font>