Will i go to jail

As stated, probably not but there's no guarantee. Be sure to deal with this promptly, dont miss any court dates, and so on.

Can they

Yes. They state may seek to violate your probation up to the earlier of 1 year after completion or 45 from becoming aware of the violation.

I got arrested for a owi in Indiana and the charges were declined what does that mean

It means the prosecutor decided not to charge you with a crime at this time. Theoretically they can charge in the future though.

I am violated because I missed a drug test because i forgot to call in what might happen in this case.

Maybe nothing. Or as Mr. Babcock has stated you might get your full backup. No way to predict with out know all the facts. Consult a lawyer in person.

No your attorney cannot (ethically) lie and trick you into a plea. At this point you say you've made the factual basis but don't say if you have...

How can I find out if I have a warrant for my arrest

you can check online in most counties to see if you have a warrant. https://public.courts.in.gov/mycase#/vw/Search Next, you need an attorney....

I recently discovered that I have an old failure to appear warrant from 2014.

The first issue is that you need to get the warrant recalled. You dont give information about the type of case but as this is posted in Criminal...

I have a send that 17 he recently got arrested for calling the cops himself Larison him for a incorrigibility and self-inflicte

There's not really a question here. Perhaps use the Find A Lawyer link to set up an in person consultation with a local attorney?

In the pass,I had to get a HL but I went to the library and did the foot work and petitioned it to the courts and received it.

This seems to be a Specialized Driving Privilege issue. Contact and attorney that handles those matters for a consultation.

SSDI has scheduled a hearing for civil remand and new case filed grouped together!

Moving to Social Security for a better answer. Although if you already have an attorney they will be your best source of information.