river

[jba]

fish limps, good tag completes sb, I check 32o in bb.

flop is 54Ar
sb bets, I raise, fish folds, sb 3bets, I call

turn Tr
sb bets, I raise, sb 3bets, I cap, he calls.

river 5
sb checks. is this close?

[yourface]

stove it, you need to be ahead >66% of the time unless you can fold to a reraise (or he can fold any of his range, unlikely in such a big pot)

[yourface]

If his range is like 45 A5 A4 44 55 it's a check