NL400 - misplayed trips

[pofi]

It was one of my first sessions at NL 400 at Party. Just sit down few hands ago. No read . Need comments.

Party Poker No-Limit Hold'em, $ BB (10 handed) converter

saw flop|<font color="#C00000">saw showdown</font>

CO ($385.87)
Button ($221.22)
Hero ($437.6)
BB ($387.7)
UTG ($87.2)
UTG+1 ($465.4)
UTG+2 ($78.6)
MP1 ($384)
MP2 ($337)
MP3 ($396)

Preflop: Hero is SB with A[img]/images/graemlins/heart.gif[/img], 7[img]/images/graemlins/spade.gif[/img]. Hero posts a blind of $2.
<font color="#666666">1 fold</font>, UTG+1 calls $4, <font color="#666666">3 folds</font>, MP3 calls $4, <font color="#666666">1 fold</font>, Button calls $4, Hero (poster) completes, BB checks.

Flop: ($20) A[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(5 players)</font>
Hero checks, BB checks, <font color="#CC3333">UTG+1 bets $10</font>, MP3 folds, Button folds, Hero calls $10, BB folds.

Turn: ($40) 3[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $20</font>, <font color="#CC3333">UTG+1 raises to $50</font>, Hero calls $30.

River: ($140) K[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">UTG+1 bets $130</font>, Hero folds.

Final Pot: $270


What line of play was the best?No w I think may be fold to raise at turn or raise at flop.