In addition to what my colleagues have stated, you might consider getting your own attorney to deal with DA.

Can the arrest record be sealed?

You both should get attorneys to deal with this. It is up to DA whether to file charges. Get attorneys ASAP

Will I need to hire a crimminal defense attorrney for a probation violation, on a second dui?

Get an attorney and get your matter calendared ASAP - hopefully the judge will give a re-referral to class.

Mr.Marshall has provided you with a complete response. It does sound like your employer is trying to work with you- whether there will be a job...

Yes they can- and will be close to a bar at closing time. That is where you find the DUI's

This can be charged as an infraction or misdemeanor. Get your M1 endorsement now!

Will I get jail time for a drunk in public/disorderly?

As my colleagues indicated you have violated probation. It's quite possible that the judge will sentence you to jail or increase your probation,...

What are my options?

Get an attorney for Blythe. An attorney can appear for you. Sometimes deals can be made in Blythe. You really want to try and get this reduced....

What’s the chance I can get out of my speeding ticket if I was going 30 over the posted speed limit?

A 22350 VC is unsafe speed for prevailing conditions. Obviously you were speeding- assuming that they have accurate survey- prevailing conditions...

Hopefully you were not arrested. There is a warrant issued in your name. The best thing you can do is get an attorney and put yourself on calendar...