I have 3 dogs and 3 cats. I have added cats and kittens to the gang with puppies.
The no chasing rule is always in effect. You can start teaching your puppy a leave it now and when it is reliable start looking for a cat or kitten. If you go with a rescue organization instead of a shelter you might be able to have them help you find an appropriate cat or kitten that has been exposed to dogs already.
We also put our kitten in a large wire dog crate when we were not able to supervise closely so she was not inadvertently stepped on or injured by a dog. Sadly this cat that was a kitten 13 years ago is now dying of cancer.
URO3,UCD Aleshanee Windridge "Kayos" CD,TDX,RE,CGC,HIC,TC
PTE,AG2,AN,URO3,UCD Xtra!Xtra! V TeMar "Havoc" CDX,GN,RE,CGC,HIC,TC,BH
UACH,URO1 Tidmores Rising Star Lydia "Mayhem" CD,BN,AX,OAJ,NF,RE,HT,TC,CGC,
Lucky, Wolf, Max