* It's a unique name chosen by the owner: Many people choose names for their pets that are unique or have personal meaning to them.
* It's a misspelling of a different name: It could be a variation of a common dog name, like "Radar" or "Roden".
* It's a name from a specific culture or language: It might be a name with meaning in a particular language or culture, but not widely known outside of that context.
To find the meaning of "Raden", you would need more information:
* Where did you hear this name? Was it in a book, movie, or from a person?
* What is the dog's breed or background? Some names are common for specific breeds or come from particular countries.
* Did the owner give you any information about the name's origin?
With more context, you might be able to figure out the meaning of "Raden".