Dickson was on the Cardinals' practice squad in 2013 after signing on Nov. 26, but was released on Dec. 23.
The 6-foot-1, 245-pound player spent the 2013 preseason with the New York Jets after finishing the 2012 campaign on their practice squad.
Dickson originally entered the NFL in 2011 with the Jacksonville Jaguars as an undrafted rookie free agent. He has also spent time with the Cleveland Browns.
A product of Idaho, Dickson tallied 182 tackles with three sacks and three interceptions.