AKo - Time for a laydown?

[Nick Royale]

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1. The villain who bets out the turn is not really that passive. 14/10/2.7 or whatever may be betting a fair amount of stuff.

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He's not passive, but seemingly well playing after a large sample. A TAG shouldn't be betting this without anything that beats me. And the only meaningful draw I can see him betting along with an ace given his preflop raise is AcTc.

I agree this is a call on the river, but to me it seems pretty slim.