Flop Analysis
Calling is the preferred play here. We have two overcards to the middle of the board and excellent pot odds to see a turn in position.
While turn aggression is sound, firing a second bullet on the Ace river with K-high is over-bluffing against a range that contains many Ax and Qx hands.
Calling is the preferred play here. We have two overcards to the middle of the board and excellent pot odds to see a turn in position.
When SB checks, we should stab frequently. Our hand has no showdown value but retains decent equity, making it a prime semi-bluff candidate to fold out SB's air.
Checking back is the correct play. The Ace is a poor card to bluff because it hits a significant portion of the SB's calling range that checked the turn.
Note: Betting the river is a mistake; the Ace improves many of Villain's turn-calling hands (like Ax) and we don't block enough of their continuing range.