don't expect a lot og high level coaching to go on. It's all about the fundamentals. Fortunately, baseball can be as simple or as complex as your kid is ready for and lends itself to incremental learning...
step 1. learn to throw
step 2. learn to catch
step 3. learn to catch then throw
step 4. learn what a force out is
step 5. learn to catch throw throw a runner out
this plus basic hitting is what they work on. You can teach more advanced situational things like checking runners and such. The quality of the coaching is important...