Using alignment sticks to make a quadrant to set up will help you hit the ball straight and not aim to the right.
To loosen your hands and wrists, twirl or swing the club. This movement will help reduce tension.
Placing the club on your shoulder and swinging it back and forth to the other shoulder helps take the tension out of your swing.
A great way to hit your driver well is to drop your right foot back which allows you to open your hips.