how do you play this and why?

pokerstars Game #37952074731: Tournament #252020016, $200+$15 USD Hold'em No Limit - Level II (50/100) - 2010/01/10 18:26:36 WET [2010/01/10 13:26:36 ET]
Table '252020016 196' 9-max Seat #4 is the button
Seat 1: FML4DaWin (19800 in chips)
Seat 2: Kiba52 (9775 in chips)
Seat 3: Skämmes (9875 in chips)
Seat 4: xalkidas (9417 in chips)
Seat 5: BrandanZ (10000 in chips)
Seat 6: counterfit17 (22033 in chips)
Seat 7: shakyRobin (10000 in chips)
Seat 8: FiveStarV (9350 in chips)
Seat 9: avirexAK (9850 in chips)
BrandanZ: posts small blind 50
counterfit17: posts big blind 100
*** HOLE CARDS ***
Dealt to Kiba52 [5c 5d]
shakyRobin: calls 100
FiveStarV: calls 100
avirexAK: folds
FML4DaWin: folds
Kiba52: calls 100
Skämmes: calls 100
xalkidas: folds
BrandanZ: calls 50
counterfit17: checks
*** FLOP *** [5h 7h 9s]
BrandanZ: checks
counterfit17: checks
shakyRobin: checks
FiveStarV: bets 300
Kiba52: