Dixon led the University of Maryland Terrapins to their first NCAA championship in 2002 and earned Most Outstanding Player honors at the 2002 Final Four.

Dixon was born in Baltimore, Maryland, where he attended Lake Clifton High School as a freshman.

[1] He then attended and played basketball at Calvert Hall, a high school in Towson, Maryland.

While at Calvert Hall, he scored 1,590 career points under the tutelage of head coach Mark Amatucci.

Both his mother, Juanita, and father, Phil, were addicted to heroin, and died of AIDS-related illnesses before Dixon was 17 years old.

[4] His second cousin Brandon Driver played cornerback for the San Jose State Spartans football team.

Flanigan had an affair with Juanita Dixon while she was separated from Phil, and a blood test confirmed his paternity.

[8] She works in the public relations field and was a cast member in the Bravo reality television show The Real Housewives of Potomac from 2016 to 2024.

[12] Dixon arrived at the University of Maryland, College Park after head coach Gary Williams inadvertently discovered him at an AAU tournament in Georgia.

He made improvements in his sophomore year as he averaged 18 points per game and was selected to the 1999–2000 All-ACC team.

Dixon ended the season averaging 18.2 points per game and was again elected to the All-ACC first team.

In his first game back in D.C., Dixon was given a standing ovation from the Verizon Center crowd upon coming off the bench towards the end of the first quarter.

Dixon's final NBA game was on April 15, 2009, in a 107–115 loss to the Boston Celtics where he recorded 3 points, 1 rebound, 2 assists and 2 steals.

[23] On October 14, 2016, Dixon was hired as head coach of the women's basketball team at the University of the District of Columbia (UDC).