So the night I broke up with my ex she came home and violently attacked me trying to steal my phone right in front of my kid when I finally pushed her away because she cornered me I called 911 and she was removed from the house I said to the police that I didn't want to have her go to jail in front of our kid, then 2 days later I went to work to come home to all my things gone and no kid... its an ugly messed up situation, so 10 days later she files a restraining order saying that I assaulted her just so I can't see my kid... can I sue her for making me out to be a woman beater? I have never once laid a hand on a woman in my life!!

Not likely. You go to Family court to file for custody of your child and let the court sort out the lies.

so ... i finally pushed her away
...
i have never once laid a hand on a woman in my life!!!

You are contradicting yourself.

Just so you'll know: the court is not likely to see much difference between "pushing" and hitting.