I know there are wire crates with dividers that come with the crate. I have used them and found moving the wire dividers to be a hassle.
To make it easier to get the puppy to accept going into the crate I use BilJac liver treats or Pro Pac Nut ‘R’ Nipz Dog Biscuit Treats. They love both and the liver treats make excellent training treats. I toss a treat into the kennel and say kennel. If the pup balks I just give it a push and shut the door.
Depending on the pups personality we may cover the crate to help the pup feel more secure. After a few days to a couple of weeks of conditioning the pup starts to feel at home in the crate. Then I cut the treats to random times. Always repeat the command kennel with firmness.
In a few months the pup is so used to the kennel as home they often go into their kennel on their own to sleep.
When the pup is introduced to the crate, they need to be put on a schedule. The ideal situation is one where someone is at home most of the time. I realize that is not always the case and hopefully the pup can be kept outside when no one is home.
A very young pup shouldn’t be in a crate with no one home for too long. If it is you risk the pup getting used to its own filth.