I think this is a standard call BvB. Especially if it's a significant sample. You have too much SDV to bluffraise the river. Do it with hands that have no SDV.

Given positions and his weak-ish bet sizing I think calling down is fine, just make sure you are not doing to much of it.

Im folding the river. I dont expect sb to barel turn et river lightely because those arent good cards to barel. Turn is closer imo, but I'll def fold river. Also, there is plenty of hands in our range that would call turn + river and give us a good a good enough calling frequency that we wont get exploited (flushes, Tx..)