I'd just like to go for question 3.
Rudder should NEVER be used to 'pick up a wing' - that's what the ailerons are for once the wing is unstalled. Let's look at the standard stall recovery:
1. Move the stick forward to unstall the wings (stop the horn or the buffet as appropriate)
2. Simultaneously apply full power and STOP ANY FURTHER YAW WITH RUDDER.
3. Now that the wings are unstalled, roll the wings level with aileron.
4. Ease out of the dive.
Applying lots of rudder when still in the stall is a recipe for disaster. How do you enter an intentional spin? - You stall the aircraft and apply lots of rudder - enough said.
It is true that you must not use aileron while the wings are stalled as this can also lead to autorotation and spin entry but they are perfectly safe as long as there is no stall buffet/warning.
By the way, about 15 years ago the UK RAF removed mention of the rudder from the stall recovery on the grounds that, as long as the stick was moved forward promptly and power applied, the ailerons could be used almost immediately and so the complication of using rudder was avoided.