Bubble play - was this right?

[cbroderi]

This was on the bubble of a 5.50 45 man sng, wondering if I should have sat this one out and waited for the short stack to bust or if this should have been played as is or played differently. Advice is welcome!

PokerStars No-Limit Hold'em, 5.5 Tournament, 200/400 Blinds 25 Ante (8 handed) -
CO (t9870)
Button (t6156)
SB (t16291)
BB (t2847)
Hero (UTG) (t4516)
UTG+1 (t11824)
MP1 (t9070)
MP2 (t6926)

Hero's M: 5.64

Preflop: Hero is UTG with K, A
Hero bets t1200, 3 folds, CO raises to t2000, 3 folds, Hero calls t800

Flop: (t4800) 5, J, A (2 players)
Hero bets t2491 (All-In), CO calls t2491

Turn: (t9782) J (2 players, 1 all-in)

River: (t9782) 7 (2 players, 1 all-in)

Total pot: t9782