It comes down to this simple act.. You hold the gun UNLOADED and dry fire it, the objective is to dry fire the gun and the sights remain motionless. When you can dry fire it and the front sight stays right where it belongs throughout the long hammer fall, then the shot, had it been live fire, would have went directly to point of aim. If you cannot hold the sights still in dry fire, swap in a Wolff 30oz. trigger spring and try again, pull one leg off the spring and try again. You will notice that the reduced trigger return spring will let you hold the sights really still in dry fire. Once you have this down, remember your trigger finger pull, then in live fire do the same thing.
There really is no absolute right and absolute wrong in shooting a SA revolver. It's doing it the same way EVERY TIME that makes the 10 ring. Holding the sights still in dry fire is MANDATORY, once you can do this you can master the SA revolver, and not until then.