Your J.C. Chance was in Roff's Company.
Sep 26, 1862...Newton J. Chance, and his brother, Joseph C. Chance, infiltrated the Union League by meeting with Ephraim and Henry Chiles. N.J. Chance gave Col. James Bourland a letter that explained their intention to revolt against the Confederacy. N.J. Chance served on the 1862 Citizens Court jury.
Oct 10, 1862. Both Joseph Chaplin Chance and W.L. Chance served in Roff's Militia from Oct 22, 1862 until Dec 22, 1862 for which they each received $75.09.
Oct 16, 1862. The Great Hanging in Gainesville, Cooke County.
See pages vIp143 and vIIppA-275ff of my book that can be found at your local Ardmore Public Library (Oklahoma).