Start your practice session by picking a close target that you know the distance to and hit little wedges that land at the spot, this will start you off with solid impact and contact as well as help your short game
Vijay Singh is a great swing to model because he has great freedom through his swing, allowing him to get a great hip and shoulder turn and unload on his downswing through to an extended finish position
Many slicers set up with their right shoulder too high, prior to bending over to get in to your stance try tilting your right shoulder slightly down then take your stance, this will allow your body to work more around your right side and eliminate that steep downswing