Right or wrong push?

Hi,

I'm deep in a MTT with 50 players left and shorstack in SB, I'm just curious if this push is correct or not?

PokerStars - $2+$0.20|4000/8000 Ante 1000 NL - Holdem - 8 players
Hand converted by PokerTracker 4

BTN: 24.43 BB (VPIP: 36.36, PFR: 36.36, 3Bet Preflop: 33.33, Hands: 11)
Hero (SB): 6.69 BB
BB: 62.84 BB (VPIP: 66.67, PFR: 66.67, 3Bet Preflop: -, Hands: 3)
UTG: 38.57 BB (VPIP: 15.00, PFR: 15.00, 3Bet Preflop: 0.00, Hands: 20)
UTG+1: 12.87 BB (VPIP: 15.00, PFR: 15.00, 3Bet Preflop: 0.00, Hands: 20)
MP: 22.78 BB (VPIP: 5.26, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 20)
MP+1: 47.8 BB (VPIP: 15.00, PFR: 10.53, 3Bet Preflop: 12.50, Hands: 20)
CO: 5.44 BB (VPIP: 17.14, PFR: 14.29, 3Bet Preflop: 0.00, Hands: 71)

8 players post ante of 0.13 BB, Hero posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 2.5 BB) Hero has A♠ 2♠

fold, fold, fold, fold, fold, BTN raises to 2.19 BB, Hero raises to 6.56 BB and is all-in, fold, BTN calls 4.38 BB

Flop: (15.13 BB, 2 players) 7♣ 2♣ 5♥

Turn: (15.13 BB, 2 players) K♣

River: (15.13 BB, 2 players) 3♠