Will Thorne Staff WriterCBS had “A Holly Dolly Christmas” with Dolly Parton last night.The singer’s holiday special delivered around 6.2 million viewers and a 0.7 average rating among adults 18-49, a decent result for the network, especially considering it was up against “Sunday Night Football.” Later on, “NCIS: Los Angeles” scored a 0.4 rating and around 4.2 million viewers.A tight, yet not particularly thrilling game between the Kansas City Chiefs and the Denver Broncos delivered a 3.8 rating