After the pandemic, Disneyland now has a constantly changing system of tiered ticketing and park reservations, time slots for rides, dining reservations, etc.
For current information, your best best is to check out: Disneyland Park Updates
Also, download the Disneyland app to get notifications, check the daily schedule, prepay for dining, and plan with kids what they'd like to do, everything make your visit easy as possible.
Here's Travel for Kids hand-picked list of best family hotels, all styles and price ranges, convenient to Disneyland: