You can file as Married filing Separate but Joint is usually better. If you file a jJoint return you can file an Injured or Innocent spouse to protect your part. I don't know which one to use.
FAQ Injured Spouse Form 8379
https://ttlc.intuit.com/community/accessing/help/how-do-i-file-form-8379-injured-spouse-allocation/0...
Innocent spouse
https://ttlc.intuit.com/turbotax-support/en-us/help-article/taxation/innocent-spouse-differ-injured-...
