Just to show that I am perfectly capable of taking this exact same line with a made hand. Villian is lag and I'm tag.

PokerStars No-Limit Hold'em, $4 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG ($603.50)
MP ($139.50)
CO ($1149.20)
Button ($158)
SB ($922)
Hero ($400)

Preflop: Hero is BB with K, K.
2 folds, CO raises to $16, 2 folds, Hero raises to $52, CO calls $36.

Flop: ($106) 4, 9, 2 (2 players)
Hero bets $68, CO calls $68.

Turn: ($242) 9 (2 players)
Hero checks, CO checks.

River: ($242) 3 (2 players)
Hero bets $280 (All-In), CO folds.

Final Pot: $522