Ensure you have an object in the home that can be used to rebound the ball against.
Dribble the ball towards the net before throwing it against the object where it should rebound back to you. Once it has, move like you would if a defender was there and find space to shoot.
Good team defence is five players guarding the ball, not five separate one-on-ones. The shell drill is where that starts, so here is how to teach help-side positioning and rotations from the first week of the season.
Rebounding is the least glamorous thing in basketball and one of the most decisive. It is also almost entirely a habit, which means it is entirely coachable.
Good spacing is only the start. The best modern offences teach players to attack the defence's rotations and play in a permanent 4-on-3 - here is how to coach that read.