Hello there, and I dont think you are waffling on, just concerned.
I have 3 working Border Terriers who kill small vermin, I had up untill yesterday 5 Cats, I now have 6. Yesterday I bought home a 16wk old British shorthaired kitten from the same breeder as my other two BSH's. I know my dogs, and I am sure you do too, I knew that my most sharpest keenest Terrier would think he was ace, and he did! He offered him raggers and tennis balls! I thought (after last time) my female would be the same, creeping round the floor on her tummy, hoping she could give him a lick, I was right! I didnt know how my 7mth old pup would be, he is VERY keen on chasing stuff and I did wonder, he has never seen a kitten, nor anything smaller than him for that matter. He was fab, loves the kitten to bits.
What I am trying to say is dont get wound up, it passes to your pets, YOU know your dogs and I am certain your judgment is the one that matters, nobody elses.
I use a big crate for a kitten, in the lounge with a box in it so the kitten can hide and feel safe if it wants or needs to, within 15 minutes of the kitten being here, and having NEVER seen a dog before in his life, he was out and about, the cage has been put away and I wont need it again. I do try NOT to keep on at the dogs, if they want to sniff I let them, if I think the Cat isnt comfortable, I never tell the dogs "No" I just call their names in a pleasant voice and give them a treat, that way they learn leaving the Cat alone brings rewards. its how I do it anyway and it works for me.
Proof for you, "Rowan" arrived here at 6.45pm yesterday, this was taken at 5.00pm tonight!