Was my flop riase too much?

I had been at this table for a bit and the villain is around 30% VP$IP/15% Pre Flop Raise. I had him as someone I wouldn't mind going up against but would treat him with respect on account of his numbers.

Did I raise too much on the flop after his bet?

Poker Stars, $0.10/$0.25 NL Hold'em Cash Game, 6 Players
LeggoPoker.com -
Hand History Converter

Hero (MP): $18.15
CO: $22.75
BTN: $5.95
SB: $1.05
BB: $27.60
UTG: $27.15

Pre-Flop: dealt to Hero (MP)
UTG folds, Hero raises to $1, CO calls $1, 2 folds, BB calls $0.75

Flop: ($3.10) (3 Players)
BB bets $1.75, Hero raises to $9, CO folds, BB calls $7.25

I'm not sure if I hit the pot button on my raise or if I just was too fast in making a raise. I have a bad habit of acting too fast and not thinking things through enough and that was the case here. If I had to do it overagain I think I would have minraised him or maybe just a $5 dollar raise. If I had not raised so much I may have kept the Cut Off in this hand as I really had flopped the nuts and maybe could extract more money from two players instead of just one.