Can someone sue you when you hit their parked car when no one was in it and your insurance paid for all the damages ?

If your insurance paid for their damages. There is no basis for a suit. Nothing left to sue for.

What to do?

Best to go thru the insurance. He does not sound reliable. A car accident should not create a probation violation.

What do I do if I only have liability?

Based on the narrative I would say the truck or possibly the car it was avoiding depending on what lane they were driving in.

Can I counter sue?

Turn the matter over to your insurance carrier. They will provide legal representation for you. do not delay.

How do I sue a person for hitting my car ?

You can turn it over to your insurance and they will pursue him for reimbursement. Otherwise, sue him for the damages in court.

Who is responsible for damages to a car that is owned by a different person than the registered driver?

The st fault driver is liable. You may have some liability but would need more facts to determine.

Sounds like much ado about nothing. Can't imagine anything coming of it. Do not give it anymore thought.

Time to retain legal representation. You are floundering because you have no idea where to turn. You need someone to help guide you.

yes you should disclose the information on the form.

Yes you can fire your lawyer. Whether or not you owe anything, look to your retainer agreement.