No rest for the wicked: The Timbers host Houston on a quick turnaround. Fresh off of their first win since May 14, a 3-0 drubbing of the Colorado Rapids, the Portland Timbers (4-7-6) welcome the Houston Dynamo (6-3-7) to town for a midweek game at Providence Park. Kickoff is scheduled for 7:30 p.m. PST. A Look at the Opposition: Sam described the result against Colorado in the best way possible in his article yesterday: A much-needed win. But as is the case for the remainder of what is a condensed second-half of the season, the Timbers have to move on…