No-Limit Hold'em Tournament, 15/30 Blinds (8 handed) - Converted at http://www.handhistoryconverter.com

Hero (SB) (t4,817)
BB (t4,997)
UTG (t4,997)
UTG+1 (t4,997)
MP1 (t4,817)
MP2 (t5,399)
CO (t4,997)
Button (t4,982)

Hero's M: 107.04

Preflop: Hero is SB with Kc, Qh
UTG raises t79, UTG+1 calls t79, 3 folds, Button calls t79, Hero calls t64, BB calls t49

Flop: (t395) 4c, Js, Kh (5 players)
Hero checks, BB checks, UTG bets t239, 1 fold, Button calls t239, Hero calls t239, 1 fold

Turn: (t1,112) 5c (3 players)
Hero checks, UTG bets t718, 1 fold, Hero calls t718

River: (t2,548) As (2 players)
Hero checks, UTG bets t3,958, Hero calls t3,778

Total pot: t10,104

When to leave behind such a hand? Should i folded river? Reraise turn to prevent the straight or flush draw?