If you are legally married your wife CANNOT claim you as a dependent. You only have the option to file as either Married Filing Jointly or Married Filing Separately.
If she files as MFS then her tax refund cannot be seized for your debts. If she files as MFJ her tax refund can be seized for your debts unless she includes a Form 8379, Injured Spouse Allocation with the joint tax return so her refund is protected.
See this TurboTax support FAQ for a Form 8379 - https://ttlc.intuit.com/community/accessing/help/how-do-i-file-form-8379-injured-spouse-allocation/0...
