For me to take an 8yr old predator hunting in the east, and be serious about it, he would have to be made of stone( they fidget too much). It is nice to spend the time with the kids though. I also hunt in the east and it is a different ball game than out west.
First get a closed reed mouth call and practice, attach a feather to a stick with string for a decoy and place it out in the breeze about 50yds away from you in a field so it is easily seen. You want the coyote to see the movement before he locks on to the sound of the call.
2) Next if both you and your son will be shooting, figure out who will be shooting what firearm and sit back to back. Start your calling off soft for no more than a minute and wait 5-10 minutes before calling again. The key in the east is to take your time and watch and listen a whole lot more than call. Don't get hooked on only staying on stand for no more than 15 minutes like you read in the books, you are hunting a different animal.
3) If you are hunting an area with heavy woods around a clearing, 9 times out of 10 the coyote is going to hang up and watch to see where the sound is coming from, if he has not spotted you at that time he will usually start to circle you to catch a scent and yes he will circle up wind if something seems out of place to him.
4) Here is the hardest part, stay still even though you can hear him circling you and do not make a sound. Let him show himself, do not start looking for him he will catch your movement, he already knows where the rabbit is, he wants to see it! He will not break cover until he is comfortable and when he does then shoot!
5) If you don't have a shot, don't shoot, you can call him in later. If you shoot and miss, you will never get another chance at him.
I learned the hard way by trial and error, I read up on how they do it out west and none of it worked in the woods and mountains here on the east coast. Let the coyote or fox make the mistake and then capitalize on it. This is how I do it and it works for me. If you are hunting the woods and mountain like me, the action will be close and fast when it happens. I wouldn't have my 8 year old there for no mans money, 12 yes, 8 no.
Good luck, this a addictive, frustrating and just pure pleasure pastimes.