A Rockdale woman and a Caldwell man were arrested on Wednesday, Aug. 20, on felony drug charges following a traffic stop on State Highway 21.Grace Arvin-Pounders, 20, and Colby Kelly, 23, were charged with possession of a controlled substance in Penalty Group 2, 1-4 grams, and both are free on $5,000 bond, according to the Burleson County Sheriff’s Office.A sheriff’s deputy st...