Trying to steer the ball can prevent you from finishing the golf swing. If you make sure you have a full balanced finish with your hands behind your head at the finish and can hold your finish for a second or two you will not block nearly as much because your arms and hands will naturally rotate better and square the clubface plus promote a proper swing path.
In response to:
What causes a golfer to 'block' their drive? What's a good drill to help correct this issue?