import re


def is_valid_rdr(rdr_dataset_id):
    """
    Verifies whether the rdr_dataset_id follows the rdrYYYYMMDD naming convention

    :param rdr_dataset_id: identifies the rdr dataset
    :return: Boolean indicating if the rdr_dataset_id conforms to rdrYYYYMMDD
    """
    rdr_regex = re.compile(r'rdr\d{8}')
    return re.match(rdr_regex, rdr_dataset_id)