The general rule around the green is that if there is no hazard or big mound between you and the flag, you should get the ball rolling as soon as possible.
The technique is important but your strategy is just as important. You need to visualize the shot to make sure that you know exactly what it is that you are trying to do. It is important to pitch the ball on a flat surface because it is easier to predict the first bounce.
1. Choose a club with less loft, 7 Iron, 8 iron even a 9 Iron
2. Move the ball position towards your back foot
3. Open your stance slightly
4. Put your weight on the left side of your body
5. Visualize the shot, decide where you need to land the ball and imagine how far it will roll
6. Keep your hands in front of the club head for as long as possible, from the setup, during the swing and at the finish position.
7. Accelerate through the shot
PGA Head Golf Professional