The EV equation for a shove bet with fe=fold equity and eq= card equity is
EV= fe*Pot + (1-fe)*(eq*(Pot + Bet) – (1-eq)*Bet)
Your hand has 54% equity against villain’s range and the given flop.
http://www.pokerstrategy.com (Equilab)
Board: 3s9c5c
Equity Win Tie
MP2 53.98% 52.04% 1.93% { AhKd }
MP3 46.02% 44.09% 1.93% { 55+, A2s+, K3s+, Q5s+, JTs, T7s+, 97s+, 87s, A4o+, K8o+, J9o+, T9o }
Assuming your opponent has you covered the EV equation given fold equity of 55% is
EV=0.55*1220 + 0.45*(0.54*2953- 0.46*1733) = 1030