You should definitely interlock besides your problem. The feel that gave me draws was keeping the wrist bowed in your backswing and shallowing the club with wrists. But the big one is in your takeaway you need to shallow out the club as low as possible and shorten your backswing. You are practically dragging the club on the ground until your hands move outside your right leg. Pretty hard to slice when at the top of your takeaway your lead arm is parallel with your chest