my husband was arrested and had no bond because of a probation hold, however now he has a $50,000 bond does this mean they lifted the hold

It depends. No bond is usually because of a parole hold, not a probation hold. That usually means your husband can bond out on the new charge for $50,000, but the probation hold will still prevent him from being free. He will typically just be transferred straight to the Illinois Department of Corrections. There's a lot of potential circumstances that would change how this question and answer turns out, but this is the most usual case.