[James.]

if this was online i might check that turn.

as for live play, if you think you can fold to the river checkraise by exploiting the fact that your opponents wouldn't make the play without a better hand, then i think it's got to be the solid choice.

problem is, given your limited read on the opponent at hand(he knows you hate fish? what does that mean?) it sounds like he could possibly having it out for you. i think a river c/r puts you in a tough spot because you are an underdog to his c/r range, but given his disdain for you its a reasonable risk that you carry in folding the best hand as a result of him trying to "get to you" by making aggro plays.