Yes, the Red Dog online casino is totally legit. It operates in such big iGaming markets like the United States of America and Australia. Besides, it has a valid license.
Yes, it is definitely safe. Online casino Red Dog is protected with the SSL encryption, which protects all information exchange between servers.
As for the first step, you should log in to your account. Then head to the cashier section (personal account) and choose the Withdraw tab. There you can fill the required amount to be withdrawn