After another 3rd place I was elimined in 7th with this hand. Feel free to criticize it. I wanted to shove in the flop, but when it came to me, I had only the option of calling (some software bug, I guess).

No-Limit Hold'em, $40.00 BB (8 handed) - Hold'em Manager Converter Tool from FlopTurnRiver.com

Button ($1440)
SB ($3270)
BB ($1240)
UTG ($1770)
Hero (UTG+1) ($1500)
MP1 ($510)
MP2 ($1440)
CO ($3830)

Preflop: Hero is UTG+1 with K, K
1 fold, Hero bets $120, MP1 calls $120, 1 fold, CO calls $120, 1 fold, SB calls $100, 1 fold

Flop: ($520) 6, 3, 9 (4 players)
SB checks, Hero bets $360, MP1 raises $390 (All-In), CO calls $390, 1 fold, Hero calls $30

Turn: ($1690) 7 (3 players, 1 all-in)
Hero bets $990 (All-In), CO calls $990

River: ($3670) Q (3 players, 2 all-in)

Total pot: $3670

Results in white below:
Hero had K, K (one pair, Kings).
MP1 had Q, J (one pair, Queens).
CO had K, A (flush, Ace high).
Outcome: CO won $3670