re: Poker & $5 NLHE 6-max: 9-10 suited 3bet from SB . tripple barrel bluff here? can i?
The reason you resteal bigger is so he has a chance to actually fold his hand preflop. This would be a great result for you, as you avoid having to play out of position with T high. Give him a chance to do it. As it is, you are offering pot odds
such that he can play an 85 cent pot against you in position for just 25 cents. I don't know his button open or most of your stats but villain would be pretty bad not to continue here with the majority of his range.
It also lets you 3bet your really strong preflop hands larger as well and gain a lot of value there, since your sizing will be similar in this spot with both KK and T9.
As for psbs looking weak, that depends on the player making the bet and whether or not they have a tendency to bet smaller with made hands (because they want showdowns) and larger with draws or bluffs (because they don't want showdowns). Decent players don't do this ofc since it's a pretty huge tell, but in any case I strongly disagree with going any higher otf than you did. 65 is fine.
The turn on the other hand, should have been sized better. Less than ½ pot ott that he's almost never folding to ip after calling a bet on that particular flop is going to make stacks awkward on the river. Even though it's 5NL and I suppose the logic was to make a blocking bet or something, I would fire out an amount more in line with what I could use for my entire range... if I choose to bet at all (and with no information given about the player or his tendencies I can't say that I would).
River play is more interesting here than it appears to be but instead of getting into all that my advice would simply be to check/fold as played. He often doesn't have a great hand but hoping he'll fold Ax is another story.