If I am not mistaken, first you should clear there air passage, then CPR.
check a carotid pulse for not less then 5, but no more then 10 seconds
Yes you should put a victim in a recovery position when victim is unresponsive and breathing.
You can move an unresponsive victim if you need to...
Turned on their side in case s/he vomits.
If you find an unresponsive adult victim with no evidence of injury, first ensure the scene is safe before approaching. Check for responsiveness by gently shaking the person and calling out to them. If there is no response, call emergency services immediately and begin CPR if you are trained, ensuring to provide chest compressions and rescue breaths until help arrives. Monitor the victim's condition and be prepared to use an AED if available.
a victim who is unresponsive with no normal breading and no pulse
Only move an unresponsive when in an absolutely necessary scenario (IE. fire, middle of road, etc.).
Listen for breaths from the nose and mouth of the victim. Remember: Look, Listen, and Feel.
perform cpr following abc
Yes, if a person is already breathing there is no reason why you would need to breathe for them.
Lay the victim on their side in the rest position and await for emergency personnel while monitoring the victim for any changes.
Go immediately to the unresponsive chocking maneuvers.