there are great trainers and there are wannabe trainers. listen to them but if things arent working for you then get a new one.
how much exercise is the dog getting? you shouldnt have to get rid of the dog. the dog just needs CONSISTENT rules and boundaries.
I think Boomer hit it with exercise and consistent rules and boundaries! Dogs need mental stimulation also" that will tire them out! Sounds like your pup has a lot of energy" and herding drives! Tire him out be firm fair consistent! Bill