re: Poker & $2 NLHE Full Ring: 68 offsuit,nit caught stealing.
This is pretty terrible, vinyl.
Pre flop: Opening this against the nit in the blinds is fine. But don't flat when he 3bets, even if it IS small and giving you a better price. You don't have nearly as much implied odds
as you think you do.
Flop: Fold. Maybe he just has AK or AQ, but he also has JJ, QQ, KK, AA sometimes. You have a gutshot and backdoor flush draw.
Turn: The fact that you picked up a pair really doesn't change the fact that you should fold here. Your hand has only changed in the sense that you can bluff-catch now, but villain should have VERY few bluffs.
River: If you know he only bets small on the river to bluff, then calling to bluff catch is fine (but seriously you should mostly be folding here). But don't shove. Please, for the love of god do NOT shove. Every better hand in his range calls you, and every worse hand folds. That means you lose your entire bet that is greater than the call the times that he has the nuts here.