MTT PLO8 12M - Am I pot-committed here?

[franknagaijr]

Should I have seen this flop for free instead, or was this raise okay?

Was I pot committed on this flop even if I hated it?

PokerStars (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Blinds 25/50
Hero has T950

Preflop: Hero is BB with A[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/club.gif[/img]. SB posts a blind of 25.
UTG calls (T1736), UTG+1 calls(T2324), MP1 calls (T788), <font color="#666666">1 fold</font>, MP3 calls (T7321), <font color="#666666">1 fold</font>, Button calls (T1540), SB (poster) completes (T6440), <font color="#CC3333">Hero raises pot (350 to 400)</font>, UTG folds, UTG+1 folds, MP1 calls, MP3 calls, Button folds, SB calls.

Flop: K[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, Hero checks, <font color="#CC3333">MP1 bets 388 (All-In)</font>, MP3 calls, SB calls, Hero ...