Dixon competed for Langley High School in Virginia. As a senior, he averaged 18 points per game. Despite his high scoring, he drew interest from only one college, so he decided to enroll at Fishburne Military School as a postgraduate. At Fishburne, he was the best defensive player and received scholarship offers from Northeastern, Elon and William & Mary, selecting William & Mary.
College career
As a freshman, Dixon missed five games with an injury and averaged 3.5 points per game. Dixon scored 11.1 points per game as a sophomore at William & Mary as a complementary option to Marcus Thornton. Dixon hit 70 three-pointers and contributed 12.5 points per game as a junior, guiding the team to a 20–11 record. On December 29, 2016, he scored a career-high 36 points in a 65–54 win over Old Dominion, shooting 5 of 7 from 3-point range. As a senior, Dixon averaged 19.2 points, 4.7 rebounds and 2.5 assists per game, shooting 37.8 percent from the three-point arc. He was named to the First-team All-CAA.
Professional career
Dixon signed with the Boston Celtics on August 19, 2017, but was waived on October 12 without appearing in a game. Instead, he joined the Maine Red Claws of the NBA G League and had two 20-point outings in his first five matches. While with the Red Claws, he was noted for his versatility and ability to guard all five positions. However, he was hampered by a groin injury and missed four games with a concussion. On January 17, 2018, Dixon scoring 22 points, pulled down seven rebounds, made two steals and dished out three assists in a 113–107 loss to the Westchester Knicks. Dixon posted a triple-double against the Delaware Blue Coats. In the second to last game of the season, he scored 29 points on 11-of-21 shooting. He averaged 13.3 points, 4.8 rebounds and 2.7 assists per game in his rookie season. Dixon joined the Boston Celtics in the 2018 NBA Summer League. On August 20, 2018, he signed with JL Bourg Basket of the French LNB Pro A but had a mutual agreement to leave the team on October 1, 2018. Dixon was traded by the Red Claws to the Northern Arizona Suns on October 19 in exchange for Archie Goodwin. He did not play in the season opener versus the Santa Cruz Warriors with an ankle injury. Dixon averaged 8.9 points, 3.8 boards and 2.2 assists per game in the 2018-19 season. He re-signed with the Northern Arizona Suns on January 7, 2020. He was later claimed off waivers by the Windy City Bulls on January 26, 2020.
