Hostages has 11 more episodes to air, the last episode got 6 million viewers and a 1.6 in the demo or something. At that point an NCIS repeat would be better.
And "limited run" is just what networks call shows they think will fail. "It didn't fail, it was a limited run show". But then when it's a hit they will go "We have ideas for several seasons" like they did with Under the Dome.