Priso made five appearances for Toronto FC II during the 2019 USL One regular season. He signed with the Young Reds in March of 2019 and made his professional when he started against Richmond Kickers on August 17, 2019. He played for Toronto FC III during the 2018 League 1 Ontario, where he made six appearances and scored one goal.
Priso represented Canada at the 2019 FIFA U-17 World Cup in Brazil, where he appeared in all three games of the group stage. Priso joined the Toronto FC Academy in January of 2017.