Kinda lost on this river. I didn't want to check and let V blast me off, but also feels like I would rarely check turn with a diamond draw so idk if it makes sense to rep flush. Is a small block bet best?
I would check/call. Villain probably calls with a lot of overcard combos OTF that now would never call a bet but might stab after you've checked OTT and OTR.
I agree if there are multiple limpers, in this case there is only one.
We have A7 hand that gets dominated by limp/call range a lot. Fish do over fold a bit to cbet but that's woth like 1bb or less. Main point of iso is to kick out other regs, you can build the pot if you hit easily even when you iso to 4bb, but you lose a bit less when you miss.