Hooks are often caused by trying to stay behind the ball, which makes you flip your wrists at impact
See the differences between the one plane and two plane swing. If you are comfortable swinging around your body like a baseball or hockey swing then the one plane swing is right for you.
In the one plane swing you bend more from the hips, your arms are hanging down and swinging around your chest and your finish is more rounded. It is easier to maintain because there are fewer moving parts than the two plane swing.