Dhu began his first grade career in 1936 and played 10seasons with Norths. His brother Herb also played for Norths between 1938 and 1942. Dhu missed out on playing in the 1943 grand final against Newtown which would turn out to be North Sydney's last ever grand final appearance before exiting the competitionin 1999. Dhu also played 3 games for New South Wales in 1938. He retired at the end of the 1945 season.