actually nevermind the japanese chin. I highly recommend the lhasa apso. intimidating guard dog bark, obedient, easy to train, efficient guard dogs, not too hyper, convenient size, can be submissive to alpha dogs, gentle, very affectionate, patient, impressive in intelligence and stamina. just...
You should look in the Japanese Chin Dog. They can weight 3 lb to 15 lb. So I suggest looking for the larger sized ones. Training/conditioning is important of course if you want it to get used to different environments like the horses and other dogs and people. There are different ways to train...