PokerStars Hand Analysis: Should the CO Player Call or Fold?

The article delves into a complex poker hand from a high-stakes game on PokerStars. The hand involves a player at the CO position with Kd Kh. The UTG player raises to $12 preflop, and the CO player 3-bets to $36. The flop is 4s 4d 7h, and the CO player bets $40. The turn is Jd, and the CO player bets $88. On the river, the UTG player goes all-in with a bet of $322.31, leaving the CO player in a tough spot. The CO player is unsure whether to call or fold, given the opponent's aggressive play and the potential for a bluff.