Dalton Thomas Walker, 16, of Sedalia, formerly of Higginsville, passed away Tuesday, October 23, 2012, at his home.   He was born August 2, 1996, in Decatur, IL, son of John Thomas Walker and Mary Beth (Barton).   Dalton was a very talented young man. He excelled at Parkour, magic tricks and reading. He was an artist and wrote magnificent short stories. He was a member of First Baptist Church in Higginsville and attended Katy Park Baptist Church in Sedalia.   Surviving are his mother and step-father, Mary Beth and L.D. Schlobohm, of Sedalia; his father and step-mother, John and Angela Walker, of Higginsville; five siblings, April Lewie (Kenneth) and Jeremy Rutherford, both of Warrensburg, Samantha Walker, Jordan Walker and Izaiah Walker, all of Higginsville; four step-brothers; one step-sister; maternal grandparents, Paulette Ozias, of Independence, and George Barton, of Kansas City; paternal grandparents, Bill and Barbara Walker, of Decatur, IL; nieces and nephews, Josiah, Kaiden and Addison; and numerous aunts, uncles and cousins.   A Celebration of Life will be held at 2:00 p.m. Saturday, October 27, at First Baptist Church in Higginsville, with the Rev. Jon Church officiating.   In lieu of flowers, memorial contributions are suggested to "To Write Love on Her Arms," an organization to help those struggling with suicide, in care of Heckart Funeral Home, 903 S. Ohio Ave., Sedalia, MO 65301.   Condolences may be offered at www.heckartfuneralhome.com or on the funeral home's Facebook page.