He may not be ready, I have no way of knowing, but he still may be more ready than Evans or Anchrum for a starting RT role. Alaric Jackson has had 9 total regular season snaps in his NFL career, all in that Houston game you bring up when he, Wolford and several other offensive players substituted in late for a game thought to be well won. Wolford also had 9 snaps in the Texans game, going 1 for 2 while taking a sack, but I'm not ready to criticize a couple players coming in cold with other subs on their 9 snap initiation.
I'd be surprised to see Noteboom starting at RT, I'm not sure he has ever played the position in the NFL anyway, although what really scares me off of him is a potential injury as that would leave us with nothing behind Whitworth for the remainder of the season and through the play-offs.
jmo.