[2] Dixon was admitted to the bar in 1871, commenced practice in Westerly, and grew his legal business to include Rhode Island, Connecticut, and New York.

[2] In addition, he served on the board of directors of several corporations, including the Pawcatuck Valley Railway and Providence & Stonington Steamship Company.

[2] Dixon was elected as a Republican to the Forty-eighth Congress to fill the vacancy caused by the resignation of Jonathan Chace and served from February 12 to March 3, 1885; he was not a candidate for re-nomination.

[1] He was elected to the U.S. Senate to fill the vacancy caused by the resignation of Jonathan Chace and served from April 10, 1889, to March 3, 1895; he was not a candidate for reelection.

[3] After leaving the Senate, Dixon resumed the practice of law and his business and banking interests, and maintained a farm on which he bred cattle as a hobby.