K7 push 3 handed as midstack?

[ebaudry]

Should I push here with K7?

***** Hand History for Game 2403888068 *****
NL Texas Hold'em $30 Buy-in + $3 Entry Fee Trny:14149263 Level:8 Blinds(200/400) - Friday, July 22, 04:24:33 EDT 2005
Table Table 11139 (Real Money)
Seat 4 is the button
Total number of players : 3
Seat 2: pokerphenom7 ( $4385 )
Seat 4: HERO ( $2240 )
Seat 5: corrupt_cop ( $1375 )
Trny:14149263 Level:8
Blinds(200/400)
** Dealing down cards **
Dealt to HERO [ 7h Kd ]
HERO is all-In [2240]
corrupt_cop is all-In [1175]
pokerphenom7 folds.
** Dealing Flop ** [ 3h, Ad, 7s ]
** Dealing Turn ** [ 3d ]
** Dealing River ** [ 5s ]
HERO shows [ 7h, Kd ] two pairs, sevens and threes.
corrupt_cop shows [ Ah, Ks ] two pairs, aces and threes.
HERO wins 865 chips from side pot #1 with two pairs, sevens and threes.
corrupt_cop wins 3150 chips from the main pot with two pairs, aces and threes.