Daily Punch 1-15-15 Ball Lightning Cantrip for DnD5e

Had a new player love Shocking Grasp, but hate to have to get close.  How about something similar, but not overpowered?

 

Ball Lightning

Evocation Cantrip

Casting Time: 1 action

Range: 100 feet

Components: V,S

Duration: Instantaneous

You lob a ball of pure electricity at a target.  Make a ranged spell attack against the target.  On a hit, the target takes 1d6 electric damage and can not take reactions for the next turn.

The spell’s damage increases by 1d6 when you reach 5th level (2d6), 11th level (3d6), and 17th level (4d6)