AK TPTK, big pot 200NL

[sandstorm]

This might be standard, but I find myself second-guessing this a lot. Just sat down, no stats/reads.

Party Poker No-Limit Hold'em, $ BB (10 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP1 ($263.99)
MP2 ($512.34)
MP3 ($152.15)
CO ($200)
Hero ($241)
SB ($188.07)
BB ($274.88)
UTG ($256.40)
UTG+1 ($186.66)
UTG+2 ($200.90)

Preflop: Hero is Button with A, K. CO posts a blind of $2. SB posts a blind of $1.
UTG calls $2, 2 folds, MP1 calls $2, 1 fold, MP3 calls $2, CO (poster) checks, Hero raises to $12, SB (poster) calls $11, 1 fold, UTG folds, MP1 folds, MP3 calls $10, CO calls $10.

Flop: ($54) K, 3, 9 (4 players)
SB checks, MP3 checks, CO checks, Hero bets $45, SB folds, MP3 folds, CO raises to $115, Hero folds.

Final Pot: $214

Is this standard against unknown, or just weak?

[bdawg56kg]

Given how dry the board is, you don't need to bet so much. $35 works just as well. I think I'd fold here too without a read. Also consider checking that flop. I also raise more preflop, $15-16.