Have you ever been to UCLA or it’s your dream on paper ?
Nonetheless, if your top choice doesn’t have ED, then why would you ED anywhere ?
Also, contrary to what many think, one doesn’t need to ED.
And that’s a chat you need to have with your folks as finances could be impacted.
Finally, in general, when you say you don’t want to waste an ED - realize ED is still an application with a yes, no, or maybe later. There is no guaranteed yes. If you are applying to a selective school, the answer will still likely be a no. Does that mean your application was a waste ?