Holdem No Limit - $0.5 BB

Button ($114.45)
SB ($100.57) [Hero]
BB ($114.37)
UTG ($46.50)
MP ($22.98)
CO ($78.47)

Hero is SB with Q, A
Preflop: (6 players, $0.75)
UTG folds, MP calls $0.50 and raises $2, CO calls $2.50, Button calls $2.50, Hero raises to $8.25, BB folds, MP raises to $22.48 and is All-In, 2 folds, Hero ???

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No reads on either of the players.

How do you like the initial re-raise? What's your move to the 4-bet push by the shorty?