($24) 77 in LP vs. a loose donk (?)

[Pocketbear]

Full Tilt Poker
No Limit Holdem Tournament
Blinds: t100/t200
7 players
Converter

Stack sizes:
UTG: t2025
UTG+1: t2405
Hero: t1290
CO: t830
Button: t1630
SB: t780
BB: t4540

Pre-flop: (7 players) Hero is MP1 with 7[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/heart.gif[/img]
<font color="#cc0000">UTG raises to t400</font>, UTG+1 folds, Hero?

The villain has been doing some limping and openminraised 2 times recently, but it never went to a showdown. Push or fold?