You must apply using the 5 year rule given information provided.

Even if it does, it shouldn’t impact your case if issue was resolved.

It is best to consult with an attorney to explore your options. Good luck.

Yes this shouldn’t be an issue for travel purposes.

If you marry your BF in good faith only - meaning not for immigration benefits, there may be options available. Consult with an attorney for guidance.

Yes this would checked and reviewed as part of the screening process.

Yes you can go ahead and apply for ESTA.

No this shouldn’t be readjudicated unless there was an issue from the previous marriage that raises concern.

Contact the closest passport office to inquire about expediting.

Yes you should reschedule your interview given pending charge.