Is my home considered rental income or a 2d home?

So my adult daughter and her spouse are paying the mortgage on my home because we had to leave the state for my husband to care for his aging parents. We bought a home in that state. My daughter is only paying the mortgage. All other expenses such as utilities, insurance, home repairs, property taxes are covered by me and my husband. We have updated aging appliances, HVAC, countertops prior to leaving and then had to unexpectedly leave. I am super confused how to approach this as I am not actually receiving any rental income and we are paying out of our pocket due to the costs of housing being so high we don't want to displace our daughter and her family.

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