Which should I send?

The original RFE is recommended to submit with the response.

I learned recently that I qualified for the I-864W form but submitted a regular I-864 and I-864A instead?

Respond to the RFE with the requested information and you may supplement it with the I864W.

What if I started an adjustment status documentation for my wife and the papers were returned and now she wants a divorce?

She may have consequences of being in the country without status but if the marriage was entered into in good faith, then you should not have...

Fingerprints and photo taken during AOS interview and case held for review? Do you think they going to make a good decision ?

Without an actual review of your case it is very difficult to determine. Best to wait for decision from USCIS.

This should not be an issue if the marriage is in good faith and you can establish this.

Get a green card after previous visa violation

It is best to do a FOIA on your case prior to filing any paperwork to review a possible violation.

I am victim of crime can i qualify for u visa even though in the past i was denied adjustment due to section 204(c) in past ?

Yes you may be eligible for a U visa but more information is needed re: possible inadmissibility.

Can an migrant get deported for Traffic / Driving without a license - 1st offense. ?

He may be referred to immigration court if he does not have legal status in the US but this is not always guaranteed.

I married USA citizen on 28th days in Esta I am overstay. If i apply AOS in interview officer can deport me bcs of 90 days rule?

There may be a presumption of intent if you married so quickly after entering. Best to consult with your attorney for guidance.

To whom should I address the check for I-130 ?

It should be address to US Department of Homeland Security.