Dufour played four seasons of major junior hockey in the Quebec Major Junior Hockey League (QMJHL) with the Chicoutimi Saguenéens, Drummondville Voltigeurs and Saint John Sea Dogs, winning the Memorial Cup with the latter in 2022.
[5] Dufour was selected in the fifth round, 152nd overall, of the 2020 NHL entry draft by the New York Islanders.
[6][7] On April 21, 2022, Dufour signed a three-year, entry-level contract with the team.
[8] In his National Hockey League (NHL) debut on January 18, 2023, Dufour recorded one hit and logged 6:48 minutes of ice time as the Islanders lost 4–1 against the Boston Bruins.
This biographical article relating to a Canadian ice hockey winger is a stub.