Walking onion question

Hi there, beautiful brothers and sisters! Hope you’re having a nice evening, I have once again had to order walking onions online as my chickens have eaten them down to the ground, so I plan on replanting them in my greenhouse. I am needing success tips on how to properly propagate them and get germination going from a bulb that I will be receiving through the mail. I know it may seem fairly simple but last I had heard I needed to get the roots wet and let them germinate on a wet paper towel. That was not a high success rate. Thank you so much.