I can't recommend a breed unless you have the money to get a well-bred dog from a reputable breeder. If you are thinking of buying from a BYBer or Puppy Mill, you might as well adopt a dog from a pound, shelter, rescue & save a life.
You won't find a well-bred dog in any of these places, JUST the dogs that were bred by BYBers or Puppy Mills. Just go looking at some of the places around town or state. You will find your dog. As soon as your eyes meet, you'll know. & it may not be anything like you thought you wanted.
You don't really need a puppy, they are a lot of work & being elderly-ish it may be just too much. I don't do puppies, all of my dogs have been large to extra large cause most facilities don't have the space. I usually had 5 at any one time, sometimes more but I tried to just stay with 5.
I am elderly-ish also & my next dog will be a large to larger, short-haired, female, with a strong temperament. I have no idea where I am going to find her but I'll cross that bridge when that time comes.
Google & get a copy of the Adoption Application to see if you qualify as being a good dog owner.
If you do find a breed that you like, check out the breed-specific rescues. They take in that breed & their crosses. You may find what you want that way. Maybe 'small breed rescues' in your city/state.