You shouldn't "unskew" a poll you don't like, really. Sometimes, the crosstabs are a bit off but the topline is correct (see also: SurveyUSA). Wait for PPP, but Texas is fool's gold for Democrats.
I concur. Texas is the difference between perhaps 420 and 458 electoral votes. It will be a costly state in which Democrats would campaign, and there is no Senate race. Should Hillary Clinton win it, then such would reflect not so much her strength as a candidate but instead the utter failure of Donald Trump as a candidate. Texas media are costly because most are spread between some huge TV markets (Houston, Dallas/Fort Worth, San Antonio, El Paso, Austin)...
Even with this apparently weak lead, Donald Trump is close to the 50% that decides any election any time.