What is a better strategy in these overpair situations?

[QUADS4444]

Party Poker No-Limit Hold'em, $4 BB (9 handed) converter

BB ($99)
UTG ($429.4)
UTG+1 ($159.6)
MP1 ($403)
MP2 ($205.8)
MP3 ($458.3)
CO ($690.65)
Hero ($224.82)
SB ($317.5)

Preflop: Hero is Button with Q[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/heart.gif[/img]. SB posts a blind of $2.
<font color="#666666">3 folds</font>, <font color="#CC3333">MP2 raises to $15</font>, <font color="#666666">2 folds</font>, Hero calls $15, <font color="#666666">2 folds</font>.

Flop: ($36) 7[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP2 bets $20</font>, <font color="#CC3333">Hero raises to $80</font>, MP2 calls $60.

Turn: ($196) 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
MP2 checks, Hero calls $129.82 (All-In), MP2 calls $110.80 (All-In).

River: ($436.62) K[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players, 2 all-in)</font>

Final Pot: $436.62

Results in white below: <font color="#FFFFFF">
MP2 has 3d 3c (three of a kind, threes).

What would have been a better strategy, such that I would keep my losses to a minimum in these overpair situations?

Added information. Villian VP$IP is about 49% and PFR % is about 17%. No other read.