Yeah swing is around the ball and not through.. fixing the lead elbow will help, posture will help improve barrel path as well.
Explanation of posture for better understanding
Drills to help focus on posture, also you can see @ 38 secs how the front elbow extends away from the body, not wrapping around the body(currently happening to your DD)
Staying connected, I think this will help your DD as well, will help maintain proper angle with front elbow
Not trying to make your DD into a robot . These are isolation drills to help your DD understand and get a better feel.
Explanation of posture for better understanding
Drills to help focus on posture, also you can see @ 38 secs how the front elbow extends away from the body, not wrapping around the body(currently happening to your DD)
Staying connected, I think this will help your DD as well, will help maintain proper angle with front elbow
Not trying to make your DD into a robot . These are isolation drills to help your DD understand and get a better feel.