What is the effect of the conditional mood in the sentence, "If my dog is feeling better, I could take her for a walk."?

It asks a question to walk the dog if it feels better

It expresses uncertainty that the dog will be walked due to its sickness

it gives a command to walk the dog when it is no longer sick

It expresses the fact that the dog will definitely be walked

It expresses uncertainty that the dog will be walked due to its sickness.