25NL right move? flop bet ok or too much?

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the deep stack has been doing a lot of limping but this is the first time he has raised. i put him on a good hand, somewhere between AA-99/AK but i have read you guys talking about set value and i am coming to understand the importance of implied odds so i made a call that i might not usually do in limit.

I was a little concerned about my big bet on the flop because i didn't really want to push anyone out, but the pot had grown significantly so i thought that this was the move.

Poker Room skin
No Limit Holdem Ring game
Blinds: $0.15/$0.25
9 players
Converter

Pre-flop: (9 players) Hero is MP3 with 3[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/club.gif[/img]
UTG calls, UTG+1 calls, MP1 calls, <font color="#cc0000">MP2 raises to $1.75</font>, Hero calls, 6 folds, MP1 calls.

Flop: J[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/diamond.gif[/img] 3[img]/images/graemlins/diamond.gif[/img] ($6.15, 3 players)
<font color="#cc0000">MP1 bets $0.5</font>, <font color="#cc0000">MP2 raises to $7</font>, <font color="#cc0000">Hero raises to $20</font>, <font color="#cc0000">MP1 calls all-in $15.3</font>, <font color="#cc0000">MP2 raises all-in $55.35</font>, <font color="#cc0000">Hero calls all-in $22.1</font>.
Uncalled bets: $13.25 returned to MP2.

Turn: 7[img]/images/graemlins/spade.gif[/img] ($79.85, 0 player + 3 all-in - Main pot: $53.55, Sidepot 1: $52.6)


River: 7[img]/images/graemlins/heart.gif[/img] ($79.85, 0 player + 3 all-in - Main pot: $53.55, Sidepot 1: $52.6)


Results:
Final pot: $79.85