Which hand should dominate your swing?

For RH golfer, the left hand sud dominate yr swing, it control the club face, use yr left hand to lead yr up and down rotation. Yr left hand sud be in the same position from setup and on impact.
The right hand serve a critical function also, its control the hinge and release of the hand thro impact. The hinge sud be at 90 deg to yr right hand. Practice the hinge with yr right hand only. Then combine both hand together and hit a few balls, keeping in mind the specify yet complimentary roles each hand sud play...
Happy Golfing!