MEMPHIS, TN — Her early childhood and years thereafter were painful, depraving and angst-filled, to say the least. But Sheila Raye Charles didn’t have much to look forward to without having much of her father in her life, the legendary Ray Charles. Deprived of the doting relationship Charles sought with her father was enough to send her cascading down a seemingly never-ending slope into drug dependency and deviant behavior, which mirrored, in a way, her father’s 17-year heroin addiction. Charles’ drug of choice was crack cocaine. She grappled with it for 20 years, served three prison terms, and, as a…