This is what I see, if I look at AlmaLinux 9 USB stick:
$ lsblk -o name,size,type,fstype,UUID
NAME SIZE TYPE FSTYPE UUID
sda 14.6G disk iso9660 2022-05-25-15-29-15-00
├─sda1 7.5G part iso9660 2022-05-25-15-29-15-00
└─sda2 7M part vfat A71C-806F
That is dvd iso, that I have written to USB with dd
How do you write the ISO into the USB?