Can I still work as a CNA with this arrest showing on my background not a conviction

google license requirements. your job may fire you but you need to check out if it will cause your licende to be suspended or revoked.

Yes, a 17 year old and 20 year old can date. You did not define date so I am assuming no sex is involved.

Personal property stolen and withheld by "friend" until I pay her to get it back.. Theft?

This is a civil matter best to hire a lawyer to help which will be more costly than paying the storage to get your stuff back.

Can this be removed from my record as it is stopping me from getting some jobs

Your attorney after pulling the records will be able to answer this specific question.

What's the likelihood of being found eligible for Pretrial Diversion if my county offers it? Do I need a lawyer to apply?

Your local criminal defense attorney will be able to answer this specific question after reviewing all the facts, evidence and policy of the County...

Will I be able to have misdemeanor charges removed from my record to make it easier to find a job, and if so, how much?

Sure its possible if both cases were dismissed and expunged.

Can I get a deferred disposition for a Class C public intoxication despite making a plea and partial payment?

Yes it is possible to overturn your conviction if you file a motion for new trial set it for a hearing and the Judge grants it and the prosecutor...

EVEN THOUGH THE WEED WAS FOUND IN MY CAR , IS IT STILL CONSIDERED IN MY HOME?

No it would be considered weed in your car unless you live in your car as your home.

Do I need an attorney present at my hearing for a Misdemeanor charge (Poss of Drug Paraphernalia)?

No, you have the constitutional right to represent yourself. It would help if you have a 4 year college degree and 3 year law degree and passed...

Is this something that can be done?

You would be wise to research Federal Defense/appellate lawyers in Harris County.